1,000+ Open Textbooks and Learning Resources for All Subjects

Main open textbooks

The textbook price problem is getting out of hand.

CollegeBoard estimates that, on average, undergraduate students at public universities will have spent about $1,298 on textbooks and supplies in the 2015-2016 school year. For in-state students, this number is actually higher than their annual tuition!

There is good news, though:

The open content movement is on the rise, and there are hundreds of open source textbooks and educational resources available online.

What are open source textbooks and educational resources?

The definition is rather simple: they are textbooks and online classes licensed under open copyright licenses (e.g., Creative Commons). Since they are freely available, you can either read them online or download them as PDFs at no cost. (You may, however, have to pay a small amount if you wish to get a hard copy.)

So this list is essentially a free online textbook library. Here, we’ve gathered hundreds of links to open textbooks and online courses from different websites and sorted them by subject.

Who are the open source textbooks for?

  • College and high school students who can use them as a free or cheap alternative to their textbooks
  • Educators who can adapt the textbooks to their courses and distribute copies to their students (read more about what’s permissible under different Creative Commons Licenses)
  • Anyone who wants to learn and study

How do you use this list?

  • The textbooks and educational resources are listed by subject. You can navigate to a specific section using the links below.
  • If you’re looking for a specific textbook, author, or topic, just press Ctrl+F to search for any keyword.

Open Textbooks Library

Anthropoly and Archeology

Cultural Anthropology/Human Rights WikiBooks CC-BY-SA
Folklife and Fieldwork: A Layman’s Introduction to Field Techniques Peter Bartis PD
Introduction to Paleoanthropology WikiBooks CC-BY-SA
Native Peoples of North America Susan Stebbins CC-BY-NC-SA

Art and Design

Art and Contemporary Critical Practice: Reinventing Institutional Critique Gerald Raunig, Gene Rey CC-BY-NC-ND
Art Appreciation and Techniques Saylor Academy CC-BY
Art History WikiBooks CC-BY-SA
Art History Boundless CC-BY-SA
Digital Foundations: Introduction to Media Design with the Adobe Creative Suite xtine burrough, Michael Mandiberg CC-BY-NC-SA
Internet for Art and Design Virtual Training Suite CC-BY-NC
Internet for Performing Arts Virtual Training Suite CC-BY-NC
Media Studies 101 BCcampus OpenEd CC-BY
Open Content Photography Program WikiBooks CC-BY-SA
Smart History Beth Harris, Steven Zucker CC-BY-NC-SA
Graphic Design and Print Production Fundamentals Graphic Communications Open Textbook Collective CC-BY

Biology and Genetics

BioFundamentals: Introductory Molecular Biology Michael W. Klymkowsky, Melanie M. Cooper CC-BY-SA-NC
Biology Boundless CC-BY-SA
Biology Jean Brainard CC-BY-SA
Biology Advanced Concepts CK-12 CC-BY-NC
Biology Concepts Douglas Wilkin, Jean Brainard CC-BY-NC
Biology I - Honors CK-12 CC-BY-NC-SA
Biomechanics WikiBooks CC-BY-SA
Cell Biology and Genetics Charles Twesigye CC-BY-SA
Computing Life National Institute of General Medical Sciences PD
Diversity of Algae and Plants Memory Tekere CC-BY-SA
Ecology and Environment John Kiogora Mworia CC-BY-SA
Encyclopedia of Life EOL CC-BY-SA
Evolution Biology Jassiel Nyengani Zulu CC-BY-SA
Genes and Disease National Center for Biotechnology Information PD
Help Me Understand Genetics Handbook Lister Hill National Center for Biomedical Communications PD
Human Biology - Breathing CK-12 CC-BY-NC
Human Biology - Circulation CK-12 CC-BY-NC
Human Biology - Digestion and Nutrition CK-12 CC-BY-NC
Human Biology - Ecology CK-12 CC-BY-NC
Human Biology - Genetics CK-12 CC-BY-NC
Human Biology - Lives of Cells CK-12 CC-BY-NC
Human Biology - Nervous System CK-12 CC-BY-NC
Human Biology - Reproduction CK-12 CC-BY-NC
Human Biology - Sexuality CK-12 CC-BY-NC
Human Biology - Your Changing Body CK-12 CC-BY-NC
Human Physiology WikiBooks CC-BY-SA
Inside the Cell – Biology National Institute of General Medical Sciences PD
Internet for Microbiology Virtual Training Suite CC-BY-NC
Introduction to Molecular and Cellular Biology Saylor Academy CC-BY
Microbiology Boundless CC-BY-SA
Microbiology Saylor Academy CC-BY
Microbiology and Mycology Jassiel Nyengan Zulu CC-BY-SA
Modern Biology Open Learning Initiative CC-NC-BY-SA
Nucleic Acids and Chromatin OpenLearn CC-NC-BY-SA
Online Biology Book Michael J. Farabee Custom
Physiology Boundless CC-BY-SA
Plant and Animal Physiology Rémi Rakotondradona CC-BY-SA
Rediscovering Biology Amy Does, Norman A. Johnson, Teresa Thiel Custom
Sensory Systems WikiBooks CC-BY-SA
The New Genetics National Institute of General Medical Sciences PD
The Structures of Life National Institute of General Medical Sciences PD
Understanding Biodiversity Douglas Wilkin CC-BY-NC
What Do Genes Do? OpenLearn CC-BY-NC
What is Biodiversity Melina Laverty, Eleanor Sterling CC-BY
What is the Genome Made of? OpenLearn CC-BY-NC

Business

Accounting Boundless CC-BY-SA
Accounting Principles: A Business Perspective (Financial) Merlot CC-BY-NC-ND
Accounting Principles: A Business Perspective (Managerial) Merlot CC-BY-NC-ND
Advanced Business Law and the Legal Environment Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Budget & Finance Administration in Recreation & Sport Daniel McLean CC-BY-SA
Business Boundless CC-BY-SA
Business and Management Virtual Training Suite CC-BY-NC
Business Communication for Success (Canadian Edition) Scott McLean, Murray Moman CC-NC-BY-SA
Business English for Success Scott McLean CC-NC-BY-SA
Business Ethics Aims Community College CC-BY-SA
Business Ethics William Frey, Jose A. Cruz-Cruz CC-BY
Business Fundamentals Global Text Project CC-BY-SA
Business Information Systems: Design an App for That Raymond Frost, Jacqueline Pike, Lauren Kenyo, Sarah Pels CC-NC-BY-SA
Business Law and Ethics Saylor Academy CC-BY
Business Law and the Legal Environment (EMBA Edition) Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Business Law and the Legal Environment
(2 Volume Set)
Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Business Law and the Legal Environment: MAcc Edition Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Business Statistics Saylor Academy CC-BY
Communication Skills for Personal and Professional Development: The Seven Challenges Approach Dennis Rivers CC-BY
Core Concepts of Marketing John Burnett CC-BY
Corporate Communication Saylor Academy CC-BY
Corporate Finance, 2nd ed. Ivo Welch Custom
Democratizing Innovation Eric Von Hippel CC-BY-NC-ND
Digital Marketing Textbook Quirk CC-BY-SA
E-Commerce and International Business Ulrich Werner CC-BY-SA
Economics: Theory Through Applications
(2 Volume Set)
Russell Cooper, Andrew John CC-NC-BY-SA
Effective Article Marketing for Promotion and Profit Motown Terri CC-BY-SA
Electronic Commerce: The Strategic Perspective (2nd ed.) Richard T. Watson, Pierre Berthon, Leyland F. Pitt, George M. Zinkhan CC-BY
Entrepreneurial Behavior OpenLearn CC-NC-BY-SA
Ethics and Economy Dag G. Aasland CC-BY-NC-ND
Exploring Business Karen Collins CC-NC-BY-SA
Finance Dico Bourse CC-BY-SA
Finance Boundless CC-BY-SA
Foundations of Business Law and the Legal Environment Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Green IS: Building Sustainable Business Practices Marie-Claude Boudreau, Adela Chen, Mark Huber CC-BY
How to Use Microsoft Excel: The Careers in Practice Series Joseph M. Manzo CC-NC-BY-SA
Human Relations Laura Portolese CC-NC-BY-SA
Human Resource Management Saylor Academy CC-BY
Human Resource Management Laura Portolese CC-NC-BY-SA
Information Systems: A Manager's Guide to Harnessing Technology John Gallaugher CC-NC-BY-SA
Innovation Happens Elsewhere Ron Goldman & Richard P. Gabriel CC-NC–BY-SA
Intercultural Communication Scott McLean CC-NC-BY-SA
International Finance: Theory and Policy Steve Suranovic CC-NC-BY-SA
International Trade: Theory and Policy Steve Suranovic CC-NC-BY-SA
Introduction to Business Saylor Academy CC-BY
Introduction to Business, Management, and Ethics William Frey CC-BY-SA
Introduction to Contracts, Sales and Product Liability Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Introduction to Economic Analysis R. Preston McAfee, Tracy R. Lewis CC-NC-BY-SA
Introduction to Financial Accounting Saylor Academy CC-BY
Introduction to the Law of Property, Estate Planning and Insurance Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Involvement of Banking in the Commonwealth of Independent States Saydullo Abdullaev, Valentin Antonovich Kotov CC-BY-SA
Launch! Advertising and Promotion in Real Time Michael Solomon, Lisa Duke Cornell, Amit Nizan CC-NC-BY-SA
Law for Entrepreneurs Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Law of Commercial Transactions Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Legal Aspects of Corporate Management and Finance Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Legal Aspects of Marketing and Sales Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
Macroeconomics: Theory Through Applications Russell Cooper, Andrew John CC-NC-BY-SA
Management Boundless CC-BY-SA
Management Accounting Concepts and Techniques Introtocost BY-NC-SA
Management Information Systems Saylor Academy CC-BY
Management Leadership Saylor Academy CC-BY
Managerial Accounting Saylor Academy CC-BY
Managing Groups and Teams WikiBooks CC-BY-SA
Marketing Boundless CC-BY-SA
Mastering Strategic Management Dave Ketchen, Jeremy Short CC-NC-BY-SA
Microeconomics: Theory Through Applications Russell Cooper, Andrew John CC-NC-BY-SA
Money and Banking Robert E. Wright CC-NC-BY-SA
Negotiations and Conflict Management Saylor Academy CC-BY
Operations Management Saylor Academy CC-BY
Organizational Behavior Saylor Academy CC-BY
Organizational Behavior Talya Bauer, Berrin Erdogan CC-BY-NC-SA
Organizational Communication: Theory, Research, and Practice Jason S. Wrench, Narissra Punyanunt-Carter, Mark Ward Sr. CC-NC-BY-SA
Personal Finance Rachel Siegel CC-NC-BY-SA
Principles of Accounting Larry Walther ACARR
Principles of Economics Libby Rittenberg, Timothy Tregarthen CC-NC-BY-SA
Principles of Finance Saylor Academy CC-BY
Principles of Macroeconomics Libby Rittenberg, Timothy Tregarthen CC-NC-BY-SA
Principles of Management Saylor Academy CC-BY
Principles of Marketing Saylor Academy CC-BY
Project Management Saylor Academy CC-BY
Project Management Merrie Barron, PMP, CSM, Andrew R. Barron CC-BY
Project Management from Simple to Complex Russell Darnall, John M. Preston CC-NC-BY-SA
Remix: Making Art and Commerce Thrive in the Hybrid Economy Lawrence Lessig CC-BY-NC
Risk Management for Enterprises and Individuals Etti Baranoff, Patrick Lee Brockett, Yehuda Kahane CC-BY-NC-SA
Six Steps to Job Search Success Caroline Ceniza-Levine, Connie Thanasoulis-Cerrachio CC-BY-NC-SA
Small Business Management Saylor Academy CC-BY
Small Business Management in the 21st Century David T. Cadden, Sandra L. Lueder CC-NC-BY-SA
Social Marketing OpenLearn CC-BY-NC-SA
Statement of Values William Frey CC-BY-SA
Strategic Information Technology Saylor Academy CC-BY
Strategic Management Saylor Academy CC-BY
Survey of Economics Libby Rittenberg CC-NC-BY-SA
Sustainability, Innovation, and Entrepreneurship Andrea Larson CC-BY-NC-SA
Technical Communication Pau-San Haruta CC-NC-BY-SA
The Art of Leadership and Supervision Laura Portolese, Phil Upperman, Bob Trumpy CC-NC-BY-SA
The Business Ethics Workshop James Brusseau CC-NC-BY-SA
The Environments of the Organization William Frey CC-BY-SA
The Legal and Ethical Environment of Business Terence Lau, Lisa Johnson CC-NC-BY-SA
The Legal Environment of Business Don Mayer, Daniel Warner, George Siedel, Jethro K. Lieberman CC-NC-BY-SA
The Market-Led Organisation OpenLearn CC-BY-NC-SA
The Principles of Management Mason Carpenter, Talya Bauer, Berrin Erdogan, Jeremy Short CC-BY-NC-SA
Tourism: The International Business Robert Christie Mill CC-BY
Unleashing the Ideavirus Seth Godin Custom

Chemistry

Applied Ecology WikiBooks CC-BY-SA
Chem I Virtual Textbook Stephen Lower CC-BY-NC
Chemical Principles Richard E. Dickerson, Harry B. Gray, Gilbert P. Haight, Jr. Custom
Chemistry OpenLearn CC-NC-BY-SA
Chemistry FHSST Authors GFDL
Chemistry Robert Lucas CC-BY
Chemistry Boundless CC-BY-SA
Chemistry - Basic CK-12 CC-BY-NC
Chemistry - Intermediate CK-12 CC-BY-NC
Chemistry Concepts - Intermediate CK-12 CC-BY-NC
ChemPrime NSF CC-BY-NC-SA
ChemWiki UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - Analytical Chemistry UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - Biological Chemistry UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - History of Chemistry UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - Inorganic Chemistry UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - Organic Chemistry UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - Physical Chemistry UC Davis ChemWiki CC-BY-NC-SA
ChemWiki - Theoretical Chemistry UC Davis ChemWiki CC-BY-NC-SA
Concept Development Studies in Chemistry John S. Hutchinson CC-BY
Environmental Chemistry Dejene Ayele Tessema CC-BY-SA
From Vitamins to Baked Goods: Real Applications of Organic Chemistry CK-12 CC-BY-NC
General Chemistry I Saylor Academy CC-BY
General Chemistry: Principles, Patterns, and Applications (2 Volume Set) Patricia Eldredge, Bruce Averill CC-NC-BY-SA
Georgia Water WikiBooks CC-BY-SA
Getting Started Stephen Lower CC-BY-NC
Heat Transfer WikiBooks CC-BY-SA
Industrial Chemistry Helen Njeri Njenga CC-BY-SA
Inorganic Chemistry Chrispin Kowenje CC-BY-SA
Internet for Chemistry Dr Alan Neville CC-BY-NC
Introduction to Chemical Engineering Processes WikiBooks CC-BY-SA
Introductory Chemistry David W. Ball Custom
Introductory Chemistry 1 Dahir Mohamed Yusuf, Paul M. Shiundu CC-BY-SA
Introductory Chemistry 2 Dejene Ayele Tessema CC-BY-SA
Macromolecules in Biological System Elias Narciso Matos CC-BY-SA
Materials Science WikiBooks CC-BY-SA
Microfluidics WikiBooks CC-BY-SA
Microtechnology WikiBooks CC-BY-SA
Nanotechnology WikiBooks CC-BY-SA
NIOSH Pocket Guide to Chemical Hazards National Institute for Occupational Safety and Health PD
Open Source Chemistry Course Curriki CC-BY
Organic Chemistry Daley & Daley ACARR
Organic Chemistry 1 Mhehe & Korane CC-BY-SA
Organic Chemistry 2 Mhehe CC-BY-SA
Organic Chemistry with a Biological Emphasis, Vol. I Timothy Soderberg CC-BY-NC-SA
Organic Chemistry with a Biological Emphasis, Vol. II Timothy Soderberg CC-BY-NC-SA
Physical Chemistry 1 Onesmus M. Munyaki CC-BY-SA
Physical Chemistry 2 Onesmus M. Munyati CC-BY-SA
Separation, Electroanalytical and Spectrochemical Techniques Vincent Makokha CC-BY-SA
The Basics of General, Organic, and Biological Chemistry David W. Ball, John W. Hill, Rhonda J. Scott Custom
The Chemistry of Health NIH PD
Virtual Textbook of Organic Chemistry William Reusch CC-BY-NC-ND
Volumetric Chemical Analysis P. M. Shiundu CC-BY-SA
Xray Crystallography WikiBooks CC-BY-SA

Computer science and IT

A College Student's Guide to Computers in Education Dave Moursund CC-BY-NC
A Designer’s Log: Case Studies in Instructional Design OpenLearn CC- BY-NC-SA
A Faculty Member's Guide to Computers in Higher Education Dave Moursund CC-BY-NC
Abstraction Stephen Wong, Dung Nguyen CC-BY
Accessibility of eLearning OpenLearn CC-BY-NC-SA
Ada Programming WikiBooks CC-BY-SA
Advanced Artificial Intelligence Saylor Academy CC-BY
Advanced Databases Saylor Academy CC-BY
Advanced Topics in Learning Object Design and Reuse David Wiley CC-BY
A-level Computing/AQA WikiBooks CC-BY-SA
Algorithms WikiBooks CC-BY-SA
Algorithms Saylor Academy CC-BY
An introduction to Data and Information OpenLearn CC-BY-NC-SA
An introduction to Data and Information OpenLearn CC-BY-NC-SA
Applescript for Absolute Starters Bert Altenburg CC-BY
Applications of ICT in Libraries WikiBooks CC-BY-SA
Artificial Intelligence Saylor Academy CC-BY
Basic Computing Using Windows WikiBooks CC-BY-SA
Blown to Bits: Your Life, Liberty, and Happiness After the Digital Explosion Hal Abelson, Kel Ledeen, Harry Lewis CC-BY-NC-SA
Building Skills in Object-Oriented Design Steven F. Lott CC-BY-NC-ND
Building Skills in Programming Steven F. Lott CC-BY-NC-ND
Building Skills in Python Steven F. Lott CC-BY-NC-ND
Business Information Systems: Design an App for That Raymond Frost, Jacqueline Pike, Lauren Kenyo, Sarah Pels Custom
C Programming WikiBooks CC-BY-SA
C# Programming WikiBooks CC-BY-SA
C++ Programming Saylor Academy CC-BY
Cascading Style Sheets WikiBooks CC-BY-SA
CGI Programming on the World Wide Web Shishir Gundavaram CC-BY-NC-SA
Compilers Saylor Academy CC-BY
Computer Architecture Saylor Academy CC-BY
Computer Communications and Networks Saylor Academy CC-BY
Computer Science and Informatics Lesa Ng CC-BY-NC
Cryptography Saylor Academy CC-BY
Database Development Lifecycle OpenLearn CC-BY-NC-SA
Designing the User Interface OpenLearn CC- BY-NC-SA
Discovering Information Systems: An Exploratory Approach OpenUCT CC-BY-NC-ND
Discrete Structures Saylor Academy CC-BY
Dive into HTML5 Mark Pilgrim CC-BY
Dive into Python Mark Pilgrim GFDL
Education for an Information Age Bernard John Poole, Elizabeth Sky-McIlvain Custom
Electronic Commerce: The Strategic Perspective Richard T. Watson, Pierre Berthon, Leyland F. Pitt, George M. Zinkhan CC-BY
Elementary Data Structures Saylor Academy CC-BY
Eloquent JavaScript: A modern Intro to Programming Marijn Haverbeke CC-BY
Encyclopedia of Human-Computer Interaction Interaction design foundation CC-BY-ND
Essential Microsoft Office 2000 Bernard John Poole, Rebecca L. Randall Custom
Essential Microsoft Office 2003 Bernard John Poole, Lorrie Jackson,
Rebecca L. Randall
Custom
Essential Microsoft Office 2007 Bernard John Poole Custom
Essential Microsoft Office XP Bernard John Poole, Lorrie Jackson, Rebecca L. Randall Custom
Finding Information in Information Technology and Computing OpenLearn CC-BY-NC-SA
Firefox Manual Floss Manuals CC-BY-SA
Flash Tutorials WikiBooks CC-BY-NC-SA
FLOSS Manuals Floss Manuals GNU-GPL
Free as in Freedom Sam Williams GFDL
GIS Commons: An Introductory Textbook on Geographic Information Systems Michael Schmandt CC-BY-SA
Graphics and Information Management Systems Chifwepa, Vitalicy CC-BY-SA
Grokking the Gimp Carey Bunks Open Publication
Haskell WikiBooks CC-BY-SA
How to Assemble a Desktop PC WikiBooks CC-BY-SA
How to Think Like a Computer Scientist: Learning with Python Peter Wentworth, Jeffrey Elkner, Allen B. Downey, and Chris Meyers GFDL
HyperText Markup Language WikiBooks CC
Information on the Web OpenLearn CC-BY-NC-SA
Information Security Saylor Academy CC-BY
Information System: A Manager's Guide to Harnessing Technology V1.1 John Gallaugher CC-NC-BY-SA
Information Systems: A Manager’s Guide to Harnessing Technology v1.2 John Gallaugher CC-NC-BY-SA
Interpreting Information Systems in Organizations Geoff Walsham CC-BY
Introducing ICT Systems OpenLearn CC-BY-NC-SA
Introduction to Autonomous Robots Corell CC-BY-NC-ND
Introduction to C Programming Richard Mobbs, Marina Carter CC-BY-NC-SA
Introduction to Computer Science Wikiversity CC-BY-SA
Introduction to Computer Science I Saylor Academy CC-BY
Introduction to Computer Science II Saylor Academy CC-BY
Introduction to Computing: Explorations in Language, Logic, and Machines David Evans CC-BY-NA-SA
Introduction to Digital Logic with Laboratory Exercises James Feher CC-BY
Introduction to HTML Richard Mobbs CC-BY-NC-SA
Introduction to ICT Gilford T. Hapanyengw CC-BY-NC-SA
Introduction to Microsoft Excel 2007 D McKie CC-BY-NC-SA
Introduction to Microsoft PowerPoint 2007 D McKie CC-BY-SA
Introduction to Microsoft Windows XP D McKie CC-BY
Introduction to Microsoft Word 2007 D McKie CC-BY
Introduction to Modern Database Systems Saylor Academy CC-BY
Introduction to Programming Using Java David J. Eck CC-BY-SA
Introduction to UNIX Richard Mobbs CC-BY-NC-SA
ItrainOnline Multimedia Training Kit ItrainOnline CC-BY-NC
LaTeX WikiBooks CC-BY-SA
Learning 2.0 for Associations WikiBooks CC-BY-NC-SA
Mobile Applications Development Saylor Academy CC-BY
Multimedia Design and Applications Ekol, George L. CC-BY-SA
Network Applications Network Applications CC-BY-NC-SA
Network Security OpenLearn CC-BY-NC-SA
Non-Programmer's Tutorial for Python 2.0 WikiBooks CC-BY-SA
Non-Programmer's Tutorial for Python 2.6 WikiBooks CC-BY-SA
Open Source Development with CVS, 3rd Edition Moshe Bar GNU-GPL
Operating Systems Saylor Academy CC-BY
Principles of Computer System Design: An Introduction (Part II) Jerome H. Saltzer, M. Frans Kaashoek CC-BY-NC-SA
Producing Open Source Software Karl Fogel CC-BY-SA
Programming from the Ground Up Jonathan Bartlett GFDL
Programming Fundamentals – A Modular Structured Approach Using C++ Kenneth Leroy Busbee CC-BY
Programming in C Kishori Mundargi CC-BY-NC-SA
Programming Languages Saylor Academy CC-BY
Programming Languages: Application and Interpretation Shriram Krishnamurthi CC-NC-BY-SA
Project Management from Simple to Complex Russell Darnall, John M. Preston CC-BY-NC-SA
Python for Informatics: Exploring Information Charles Severance CC-BY-SA
Representing and Manipulating Data in Computers Open learn CC-BY-NC-SA
Software Engineering Saylor Academy CC-BY
Structure and Interpretation of Computer Programs Harold Abelson, Gerald Jay Sussman, Julie Sussman CC-BY-NC
Text-Based Productivity Tools Elijah I. Omwenga CC-BY-SA
The Cathedral and the Bazaar Eric S. Raymond Open Publication
The Future of the Internet and How to Stop It Jonathan Zittrain CC-BY-NC-SA
The Internet Superuser Textbook Du Toit, Masha Malczyk, Anna van Belle, Jean-Paul CC-BY-NC
The Wealth of Networks Yochai Benkler CC-BY-NC-SA 3.0
Think Python: An Introduction to Software Design Allen B. Downey GFDL
Understanding Open Source and Free Software Licensing Andrew M. St. Laurent CC-BY-ND
Using WikiBooks WikiBooks CC-BY-SA
Web Development Saylor Academy CC-BY
What is a Wiki? Wiki CC-BY-SA
Wireless Networking in the Developing World Wireless Networking Authors CC-BY-SA
x86 Disassembly WikiBooks CC-BY-SA
XForms WikiBooks CC-BY-SA
XML – Managing Data Exchange WikiBooks CC-BY-SA

Economics

An Outline of the U.S. Economy Christopher Conte PD
Econometrics Bruce E. Hansen Custom
Economics Boundless CC-BY-SA
Financial Accounting Joe Ben Hoyle, C. J. Skender CC-NC-BY-SA
Financial Analysis John Petroff CC-BY-NC-SA
Historical Beginnings: The Federal Reserve Roger T. Johnson PD
Intermediate Macroeconomics Saylor Academy CC-BY
Intermediate Microeconomics Saylor Academy CC-BY
International Economics: Theory and Policy Steve Suranovic CC-BY-NC-SA
International Finance: Theory and Policy Steve Suranovic CC-BY-NC-SA
International Trade Saylor Academy CC-BY
Internet for Economics Dr. Martin Poulter CC-BY-NC
Introduction to Economic Analysis R. Preston McAfee, Tracy R. Lewis CC-BY-NC-SA
Living Economics LivingEconomics.org CC-BY-SA
Macroeconomics John Petroff CC-BY-NC-SA
Managerial Accounting Kurt Heisinger, Joe Ben Hoyle CC-NC-BY-SA
Microeconomics John Petroff CC-BY-NC-SA
Microeconomics: Theory Through Applications Russell Cooper, Andrew John CC-BY-NC-SA
Money and Banking Robert E. Wright, Vincenzo Quadrini CC-BY-NC-SA
Money, Banking, and International Finance Szulczyk Russell Cooper, Andrew John ACARR
New Rules for the New Economy Kevin Kelly CC-BY
Political Economy WikiBooks CC-BY-SA
Principles of Economics Open Learning Initiative CC-NC-BY-SA
Principles of Economics Libby Rittenberg, Timothy Tregarthen CC-BY-NC-SA
Principles of Macroeconomics Saylor Academy CC-BY
Principles of Macroeconomics Libby Rittenberg, Timothy Tregarthen CC-BY-NC-SA
Principles of Microeconomics Saylor Academy CC-BY
Principles of Microeconomics Libby Rittenberg, Timothy Tregarthen CC-BY-NC-SA
Quantum Microeconomics Chris Gaskett CC-BY-NC
The Economics of Government Kenneth R. Szulczyk ACARR
The Joy of Economics Robert J. Stonebraker Custom Copyright
The Wealth of Networks: How Social Production Transforms Markets and Freedom Yochai Benkler CC-BY-NC-SA
Upsetting the Offset: The Political Economy of Carbon Markets Steffen Böhm CC-BY-NC-ND

Education

A Staff Guide to Open Educational Resources Simon Thomson CC-BY-NC-SA
Access to Knowledge: A Guide for Everyone Frederick Noronha, Jeremy Malcolm CC-BY-SA
Classroom Management and Supervision Ridwan Mohamed Osman CC-BY-SA
College Success Bruce Beiderwell, Linda F. Tse, Tom Lochhaas and Nicholas B. deKanter CC-BY-NC
Common Wisdom: Peer Production of Educational Materials Yochai Benkler CC-BY-NC
Comparative Education Emmy H. Embozi CC-BY-SA
Contemporary Issues in Education Ssemanda Enosi CC-BY-SA
Copyright for Librarians Berkman Center for Internet & Society, Electronic Information for Libraries CC-BY-SA
Creating Open Educational Resources Berkman Center for Internet & Society, Electronic Information for Libraries CC-NC-BY-SA
Curriculum Studies Grace Nyagah CC-BY-SA
Dance Skills OpenLearn CC-BY-NC-SA
Developmental Psychology John T. Phiri CC-BY-SA
Distinction Through Discovery: A Research-Oriented First Year Experience Florida Atlantic University Nyagah, Grace CC-BY-NC-ND
Education for an Information Age Bernard John Poole Custom
Educational Communication George L. Ekol CC-BY-SA
Educational Evaluation and Testing Ridwan Mohamed Osman CC-BY-SA
Educational Management Gerald Ngugi Kimani CC-BY-SA
Educational Research Ridwan Mohamed Osman CC-BY-SA
Emerging Perspectives on Learning, Teaching, and Technology Michael Orey CC-BY-SA
Essential Microsoft Office 2000 Bernard John Poole, Rebecca L. Randall Custom
Essential Microsoft Office 2003 Bernard John Poole, Lorrie Jackson,
Rebecca L. Randall
Custom
Essential Microsoft Office 2007 Bernard John Poole Custom
Essential Microsoft Office XP Bernard John Poole, Lorrie Jackson, Rebecca L. Randall Custom
Experiencing the Humanities Richard Jewell Custom
Handbook of Emerging Technologies for Learning George Siemens, Peter Tittenberger CC-BY-NC
History of Education Ssemanda Enosi CC-BY-SA
How People Learn: Brain, Mind, Experience, School Board on Behavioral, Cognitive, and Sensory Sciences, Division of Behavioral and Social Sciences and Education Custom
ICT Integration in Biology Mamadou Sarr, Salomon Tchameni Ngamo CC-BY-SA
ICT Integration in Chemistry Gilbert Oke Onwu, Salomon Tchameni Ngamo CC-BY-SA
ICT Integration in Mathematics Chris Olley, Solomon Tchamen Ngamo CC-BY-SA
ICT Integration in Physics Sémou Diouf, Salomon Tchameni Ngamo CC-BY-SA
Instructional Design Models WikiBooks CC-BY-NC-SA
Introduction to General Psychology (for Educators) Auma Okumu CC-BY-SA
Introduction to Guidance and Counseling (for educators) Auma Okumu CC-BY-SA
Key Skills: Making a Difference OpenLearn
Learning Psychology Catherine W Denyeko CC-BY-SA
Learning Science in Informal Environments: People, Places and Pursuits Philip Bell, Bruce Lewenstein, Andrew W. Shouse, Michael A. Feder Custom
Managing a School's Educational Resources Judith Razafimbelo CC-BY-SA
Media Education Kit UNESCO CC-BY-NC-SA
Mobile Learning: Transforming the Delivery of Education and Training Mohamed Ally CC-BY-NC-SA
OER Handbook for Educators 1.0 Open Educational Resources CC-BY
Open Educational Content – Introduction and Tutorials Open Educational Resources CC-BY-SA
Open Educational Resources Conversations in Cyberspace Open Educational Resources CC-BY-NC-SA
Philosophy of Education Samson O. Gunga CC-BY-SA
Reflective Teaching Jane Ciumwari Gatumu CC-BY-SA
Social and Cultural Foundations of American Education WikiBooks CC-BY-SA
Sociology of Education Cyrille Mihamitsy CC-BY-SA
Special Needs Education Edward Ntare Rutondoki CC-BY-SA
Study Skills Student Development and Support Service CC-BY-NC-SA
Teaching in a digital age A.W. (Tony) Bates CC-BY-NC
Teaching Methodology Caroline W Ndirangu CC-BY-SA
The Art of Reading at University Joyce Leung, Donna McGee Thompson CC-BY-SA
The Instructional Use of Learning Objects David Wiley OPL
The Learning Marketplace: Meaning, Metadata and Content Syndication in the Learning Object Economy Stephen Downes
Moncton
CC-BY-NC-SA
The Public Domain Enclosing the Commons of the Mind James Boyle CC-BY-NC-SA
The Theory and Practice of Online Learning 2nd ed Terry Anderson CC-NC-BY-SA)

Engineering

A Beginner's Arduino Guide WikiBooks CC-BY-SA
A Guide To PIC Microcontroller Documentation WikiBooks CC-BY-SA
Advanced Analog IC design WikiBooks CC-BY-SA
Advanced Mathematics for Engineers and Scientists WikiBooks CC-BY-SA
Advanced Robotics Book WikiBooks CC-BY-SA
Advanced Structural Analysis WikiBooks CC-BY-SA
All About Circuits Patrick Lloyd Custom
Analog and Digital Conversion WikiBooks CC-BY-SA
Analogue Electronics WikiBooks CC-BY-SA
Analysis and Design of the Traffic Control System WikiBooks CC-BY-SA
Applied Ecology WikiBooks CC-BY-SA
Applied Robotics WikiBooks CC-BY-SA
Artificial Neural Networks WikiBooks CC-BY-SA
ATRIAS 2.1 Handbook WikiBooks CC-BY-SA
Basic Electrical Generation and Distribution WikiBooks CC-BY-SA
Basics of Fluid Mechanics Dr. Genick Bar-Meir GDFL
Battery Power WikiBooks CC-BY-SA
Build Your Own Solar Power Generator WikiBooks CC-BY-SA
Building Services WikiBooks CC-BY-SA
Chemical Engineering Process Dynamics and Controls University of Calgary CC-BY
Chip Design Made Easy WikiBooks CC-BY-SA
Circuit Idea WikiBooks CC-BY-SA
Clock and Data Recovery WikiBooks CC-BY-SA
Communication Networks WikiBooks CC-BY-SA
Communication Systems WikiBooks CC-BY-SA
Communication Systems WikiBooks CC-BY-SA
Computer Systems Engineering WikiBooks CC-BY-SA
Consumer Electronics Certification and Regulation WikiBooks CC-BY-SA
Cyberbotics' Robot Curriculum WikiBooks CC-BY-SA
Data Coding Theory WikiBooks CC-BY-SA
Data Coding Theory WikiBooks CC-BY-SA
Digital Circuit Projects: An Overview of Digital Circuits Through Implementing Integrated Circuits Charles W. Kann CC-BY
Digital Circuits WikiBooks CC-BY-SA
Digital Electronics WikiBooks CC-BY-SA
Digital Integrated Circuits WikiBooks CC-BY-SA
Digital Signal Processing WikiBooks CC-BY-SA
Digital Television WikiBooks CC-BY-SA
Electric Motors And Generators WikiBooks CC-BY-SA
Electric Vehicle Conversion WikiBooks CC-BY-SA
Electrical Installations WikiBooks CC-BY-SA
Electrickery WikiBooks CC-BY-SA
Electronics WikiBooks CC-BY-SA
Electronics Communication WikiBooks CC-BY-SA
Electronics Fundamentals WikiBooks CC-BY-SA
Electronics Handbook WikiBooks CC-BY-SA
Embedded Control Systems Design WikiBooks CC-BY-SA
Embedded Control Systems for Intelligent Machines WikiBooks CC-BY-SA
Embedded Systems WikiBooks CC-BY-SA
Energy and Power: Production, Distribution, and Society WikiBooks CC-BY-SA
Energy Efficiency Reference WikiBooks CC-BY-SA
Engineering Analysis WikiBooks CC-BY-SA
Engineering Geology WikiBooks CC-BY-SA
Engineering Guesstimations WikiBooks CC-BY-SA
Engineering Statics OpenLearning CC-NC-BY-SA
Engineering Tables WikiBooks CC-BY-SA
Engineering: An Introduction for High School CK-12 CC-BY-NC
Engineering: An Introduction to Solving Engineering Problems with Matlab CK-12 CC-BY-NC
Evolution of Operating Systems Designs WikiBooks CC-BY-SA
Expert Systems WikiBooks CC-BY-SA
Fire Simulation for Engineers WikiBooks CC-BY-SA
Floating Point WikiBooks CC-BY-SA
Fundamental Digital Electronics WikiBooks CC-BY-SA
Fundamental Specifications for Steel Construction WikiBooks CC-BY-SA
Fundamentals of Compressible Flow Mechanics Potto Project GDFL
Fundamentals of Die Casting Design Jay F. Shachter GDFL
Fundamentals of Electrical Engineering I Don Johnson CC-BY
Fundamentals of Transportation WikiBooks CC-BY-SA
General Engineering Introduction WikiBooks CC-BY-SA
Geothermal Heating and Cooling WikiBooks CC-BY-SA
High School Engineering WikiBooks CC-BY-SA
House Construction WikiBooks CC-BY-SA
Introductory PLC Programming WikiBooks CC-BY-SA
IRule WikiBooks CC-BY-SA
Kicad WikiBooks CC-BY-SA
Laboratory Manual for AC Electrical Circuits James M. Fiore CC-BY-NC-SA
Laboratory Manual for Computer Programming with Python and Multisim James M. Fiore CC-BY-NC- SA
Laboratory Manual for DC Electrical Circuits James M. Fiore CC-BY-NC-SA
Laboratory Manual for Linear Electronics James M. Fiore CC-BY-NC-SA
Learn Electronics WikiBooks CC-BY-SA
Lentis WikiBooks CC-BY-SA
Lessons in Electric Circuits, Vol I DC Tony R. Kuphaldt Custom
Materials in Electronics WikiBooks CC-BY-SA
Mechanics of Engineering Madhukar Vable Custom
Microprocessor Design WikiBooks CC-BY-SA
Mindstorms Robotics WikiBooks CC-BY-SA
MyHDL and the NEXYS 2 Board WikiBooks CC-BY-SA
Open Standards WikiBooks CC-BY-SA
Operating System Design WikiBooks CC-BY-SA
OPT Design WikiBooks CC-BY-SA
Power Electronics WikiBooks CC-BY-SA
Practical Electronics WikiBooks CC-BY-SA
Professionalism WikiBooks CC-BY-SA
Programmable Logic WikiBooks CC-BY-SA
Random Processes in Communication and Control WikiBooks CC-BY-SA
Release Management WikiBooks CC-BY-SA
Reverse Engineering WikiBooks CC-BY-SA
Robotics WikiBooks CC-BY-SA
Robotics and the World WikiBooks CC-BY-SA
Robotics Kinematics and Dynamics WikiBooks CC-BY-SA
Semiconductor Electronics WikiBooks CC-BY-SA
Semiconductors WikiBooks CC-BY-SA
Serial Programming WikiBooks CC-BY-SA
Signal Processing WikiBooks CC-BY-SA
Signals and Systems WikiBooks CC-BY-SA
Socratic Electronics A Resource for Inquiry-Based Electronics Instruction Tony R. Kuphaldt CC-BY
Software Quality Assurance WikiBooks CC-BY-SA
Soil Mechanics WikiBooks CC-BY-SA
Technologies for Rural Development WikiBooks CC-BY-SA
Telescope Making WikiBooks CC-BY-SA
The Art of Cities WikiBooks CC-BY-SA
Transportation Economics WikiBooks CC-BY-SA
Transportation Geography and Network Science WikiBooks CC-BY-SA
Transportation Systems Simulation - A Tutorial for Multi-Modal Simulation Using VISSIM WikiBooks CC-BY-SA
Understanding Multitouch WikiBooks CC-BY-SA
Urban Traffic Operations WikiBooks CC-BY-SA
VHDL for FPGA Design WikiBooks CC-BY-SA
Vibrations of Structures WikiBooks CC-BY-SA
Water Resources Directory WikiBooks CC-BY-SA
Weatherization WikiBooks CC-BY-SA
What is Testing? CK-12 CC-BY-NC
WikiRobotics WikiBooks CC-BY-SA

English and writing

A Celebration of Women Writers ed. by Ockerbloom Alice Lee Moqué PD
Basic Speller Student Materials CK-12 CC-BY-NC
Clear Simple: Developing Effective Print Materials for Low-Literate Readers NIH PD
College Writing Joseph M. Moxley CC-BY-NC-ND
Commonsense Composition CK-12 CC-BY-NC
Electronic Literature Collection Electronic Literature Organization CC-BY-NC-ND
English Composition I Saylor Academy CC-BY
English Composition II Saylor Academy CC-BY
Exploring Perspectives: A Concise Guide to Analysis Randall Fallows CC-BY-NC-SA
Foundations of Academic Success: Words of Wisdom Thomas C. Priester CC-NC-BY-SA
Journalism 101 CK-12 CC-BY-NC
Pre-College English Saylor Academy CC-BY
Real College Writing Daniel Laurie n/a
Start Writing Fiction OpenLearn CC-NC-BY-SA
Style for Students Online: Effective Technical Writing in the Information Age Joe Schall CC-BY-NC-SA
Technical Report Writing Carol A. Vidoli PD
Technical Writing Saylor Academy CC-BY
The American Renaissance Saylor Academy CC-BY
The Flat World Knowledge Handbook Miles McCrimmon CC-NC-BY-SA
The Glyfada Method CK-12 CC-BY-NC
The Information Literacy User’s Guide: An Open, Online Textbook Trudi Jacobson, Greg Bobish, Deborah Bernnard, Daryl Bullis, Jenna Hecker, Irina Holden, Allison Hosier, Tor Loney CC-NC-BY-SA
Three Modules on Clear Writing Style: An Introduction to The Craft of Argument The Cain Project in Engineering and Professional Communication CC-BY
University of North Carolina College Writing UNC-Chapel Hill CC-BY-NC-ND
Writing Boundless CC-BY-SA
Writing Commons Joe Moxley CC-BY-NC-ND
Writing in College: From Competence to Excellence Amy Guptill CC-NC-BY-SA
Writing Spaces: Readings on Writing, Volume 1 Writing Spaces CC-BY-NC-ND
Writing Spaces: Readings on Writing, Volume 2 Writing Spaces CC-BY-NC-ND

History and civilizations

A Comprehensive Outline of World History 1 Jack E. Maxfield CC-BY
A History of the United States, Vol. 2 David J. Trowbridge CC-BY-NC-SA
A Short Introduction to Japanese History Christopher Spackman Custom
About America: Women of Influence IIP DIGITAL PD
Canadian History: Pre-Confederation BCcampus OpenEd PD
Canadian History: Post-Confederation BCcampus OpenEd PD
European History WikiBooks CC-BY-SA
Global Perspectives on Industrialization Saylor Academy CC-BY
Historical Geology WikiBooks CC-BY-SA
History in the Making: A History of the People of the United States of America to 1877 Heather Bretschneider CC-BY-SA
Modern Revolutions Saylor Academy CC-BY
New Zealand History WikiBooks CC-BY-SA
Our Documents Teacher Sourcebook National Initiative on American History, Civics, and Service PD
Outline of U.S. History Alonzo L. Hamby PD
Sage American History H.J. Sage CC-BY-NC-SA
Stories of the Underground Railroad Anna L. Curtis PD
Teaching with Documents Open Educational Resources PD
The Berlin Wall 20 Years After Michael Jay Friedman PD
The French Revolution OpenLearn CC-BY-NC-SA
The Holocaust OpenLearn CC-BY-NC-SA
U.S. History WikiBooks CC-BY-SA
U.S. History Boundless CC-BY-SA
U.S. History Sourcebook - Advanced CK-12 CC-BY-NC
U.S. History Sourcebook - Basic CK-12 CC-BY-NC
UK Constitution and Government WikiBooks CC-BY-SA
US History since 1877 Dr. James Ross-Nazzal CC-BY
World History in the Early Modern and Modern Eras (1600-Present) Saylor Academy CC-BY

Languages and Communication

Business Communication for Success Scott McLean CC-BY-NC-SA
Communication in the Real World: An Introduction to Communication Studies Richard G. Jones, Jr. CC-BY-NC-SA
Communication Skills Department of Communication Skills and Studies Custom
Communication Skills for Personal and Professional Development: The Seven Challenges Approach Dennis Rivers CC-BY
Communication Theory WikiBooks CC-BY-SA
Communications Boundless CC-BY-SA
Communications Skills Textbook Foundation OER CC-BY-NC-SA
Deutsch im Blick Dr. Zsuzsanna Abrams CC-BY-NC-ND
Francais Interactif University of Texas at Austin CC-BY
French I Open Learning Initiative CC-NC-BY-SA
French II Open Learning Initiative CC-NC-BY-SA
From Sound to Meaning: Hearing, Speech and Language OpenLearn CC-BY-NC-SA
Hearing OpenLearn CC-BY-SA
How Language Works: The Cognitive Science of Linguistics Michael Gasser GFDL
How to Communicate as a Health Volunteer Mr. Daniel Erchick CC-BY
How to Present with Twitter Olivia Mitchell CC-BY-NC-ND
Internet for Modern Languages Virtual Training Center CC-BY-NC
Key Skill Assessment: Communication OpenLearn CC-BY-NC-SA
Latin WikiBooks CC-BY-SA
Liberté Gretchen Angelo CC-BY-NC-SA
Miskito WikiBooks CC-BY-SA
Mobile ESL Dr. James O'Driscoll CC-BY-NC-SA
Open Translation Tools Open Translation Tools GNU-GPL
Oral Communications LearnHigher CC-BY-NC-SA
Organizational Communication: Theory, Research, and Practice Mark Ward Sr., Jason S. Wrench CC-BY-NC-SA
Principles Of Human Communication Saylor Academy CC-BY
Public Relations Saylor Academy CC-BY
Public Speaking Saylor Academy CC-BY
Spanish WikiBooks CC-BY-SA
Spanish I Wiliversity CC-BY-SA
Stand up, Speak out: The Practice and Ethics of Public Speaking Anne Goding, Jason S. Wrench, Danette Ifert Johnson CC-BY-NC-SA
Stuttering WikiBooks CC-BY-SA
Technical Communication Pau-San Haruta CC-BY-NC-SA
The Art of Community Jono Bacon CC-BY-NC-SA
We Are the Media Dan Gillmor CC

Legal studies

Annotated Republic of China Laws WikiBooks CC-BY-SA
Annotated Republic of China Regulations WikiBooks CC-BY-SA
Computer-Aided Exercises in Civil Procedure Roger C. Park, Douglas D. McFarland CC-BY-NC-SA
Copyright for the Rest of Us Marcia Keyser CC-BY
Criminal Law Lisa M. Storm CC-BY-NC-SA
Evidence: Best Evidence Rule Colin Miller CC-BY-NC-SA
Evidence: Jury Impeachment Colin Miller CC-BY-NC-SA
Evidence: Rape Shield Rule Colin Miller CC-BY-NC-SA
Federal Rules of Appellate Procedure (With Forms) Cornell Universiry Law School CC-BY-NC-SA
Federal Rules of Civil Procedure Cornell Universiry Law School CC-BY-NC-SA
Federal Rules of Criminal Procedure Cornell Universiry Law School CC-BY-NC-SA
Federal Rules of Evidence Cornell Universiry Law School CC-BY-NC-SA
Intellectual Property and the Internet WikiBooks CC-BY-SA
Introduction to Basic Legal Citation Peter W. Martin CC-BY-NC-SA
Land Use Christian Turner CC-BY-NC-SA
Legal Aspects of Text and Data Mining WikiBooks CC-BY-SA
Legal framework of textual data processing for Machine Translation and Language Technology research and development activities WikiBooks CC-BY-SA
The Ethics of Tax Lawyering Michael Hatfield CC-BY-SA
The Wealth of Networks The Wealth of Networks CC-BY-NC-SA)
U.S. Bankruptcy Code and Federal Rules of Bankruptcy Procedure (FRBP) Cornell University Law School CC-BY-SA

Literature

American Literature Before 1860 Theodore L. Steinberg CC-BY-NC-SA
Bulfinch’s Mythology Thomas Bulfinch PD
English Literature: Victorians and Moderns BCcampus OpenEd PD
Literature, the Humanities, and Humanity Theodore L. Steinberg CC-BY-NC-SA
Open Shakespeare Columbia University CC-BY
Studies in Classic American Literature D.H. Lawrence PD
USA Literature in Brief (America.gov) U.S. Department of State PD

Mathematics

A Computational Introduction to Number Theory and Algebra Shoup CC-BY-ND-NC
A Concise Introduction to Logic Craig DeLancey CC-BY-NC-SA
A First Course in Linear Algebra Beezer GFDL
A Modern Formal Logic Primer Teller Custom
A Problem Text in Advanced Calculus Erdman CC-BY-NC-SA
Abstract Algebra: Theory and Applications Tom Judson GFDL
Advanced Algebra II: Activities and Homework by Felder Kenny M. Felder CC-BY
Advanced Algebra II: Conceptual Explanations by Felder Kenny M. Felder CC-BY
Advanced Statistics Saylor Academy CC-BY
Algebra Boundless CC-BY-SA
Algebra Saylor Academy CC-BY
Algebra - Basic CK-12 CC-BY-NC
Algebra Explorations Concepts, Pre-K through Grade 7 CK-12 CC-BY-NC
Algebra I Rawley, Gloag, Gloag CC-BY-SA
Algebra II with Trigonometry CK-12 CC-BY-NC
Algebra II with Trigonometry Concepts CK-12 CC-BY-NC
Algebra is Vital Leslie Elizabeth Buck CC-BY-NC-SA
Algebra Review GeoGebra CC-BY-NC
An Introduction to Complex Numbers OpenLearn CC-BY-NC-SA
An Introduction to MATLAB and Mathcad Siemers CC-BY-NC
Analysis Khalagai CC-BY-SA
APEX Calculus Hartman, Heinold, Siemers, Chalishajar, Bower CC-BY-NC
Applied Discrete Structures Doerr, Levasseur CC-BY-NC-SA
Applied Finite Mathematics Sekhon CC-BY
Basic Algebra WikiBooks CC-BY-SA
Basic Algebra Concepts CK-12 CC-BY-NC
Basic Analysis: Introduction to Real Analysis Lebl CC-BY-NC-SA
Basic Arithmetic Student Handbook Dept. of Mathematics, Scottsdale Community College CC-BY-SA
Basic Geometry Concept CK-12 CC-BY-NC
Basic Math Textbook for the Community College Brown CC-BY
Basic Mathematics Lebl CC-BY-SA
Basics of Algebra and Analysis for Computer Science Gallier Custom License
Brief Calculus Crowell CC-BY-SA
Calculus

Strang CC-BY-NC-SA
Calculus Masenge CC-BY-SA
Calculus Guichard CC-BY-NC-SA
Calculus CK-12 CC-BY-NC
Calculus 1 Saylor Academy CC-BY
Calculus AB Saylor Academy CC-BY
Calculus Concepts CK-12 CC-BY-NC
College Algebra Carl Stitz, Jeff Zeager CC-BY-NC-SA
College Algebra Saylor Academy CC-BY
College Trigonometry Carl Stitz, Jeff Zeager CC-BY-NC-SA
Computing Technology for Math Excellence Dr. Patricia Deubel N/A
Conceptos de Álgebra II con Trigonometría - en Español CK-12 CC-BY-NC
Diagrams, Charts and Graphs OpenLearn CC-BY-NC-SA
Difference Equations to Differential Equations Sloughter CC-BY-NC-SA
Differential Equations Ekol CC-BY-SA
Dimensions (video) Alvarez, Ghys, Leys CC-BY-NC-ND
Elementary Algebra Burzynski, Ellis CC-BY
Elementary Algebra Redden ACARR
Elementary Calculus An Approach Using Infinitesimals Keisler CC-BY-NC-SA
Elementary Differential Equations

William F. Trench CC-BY-NC-SA
Elementary Differential Equations with Boundary Value Problems

William F. Trench CC-BY-NC-SA
Elementary Linear Algebra Kuttler CC-BY
Foundations of Real World Math Saylor Academy CC-BY
Functions Defined Improper Integrals CC-BY-NC-SA
Fundamentals of Mathematics Burzynski, Ellis CC-BY
Fundamentals of Matrix Algebra Hartman CC-BY-NC
Gentle Introduction to the Arts of Mathematics Joe Fields CC-BY-NC-SA
Geometry Cifarelli, Gloag, Greenberg, Sconyers, Zahner CC-BY-NC-SA
Geometry OpenLearn CC-BY-NC-SA
Geometry Cherinda CC-BY-SA
Geometry Saylor Academy CC-BY
Geometry - Basic CK-12 CC-BY-NC
High School Mathematics Extensions WikiBooks CC-BY-SA
How We Got from There to Here: A Story of Real Analysis Robert Rogers and Eugene Boman CC-BY-NC-SA
Intermediate Algebra Redden CC-BY-NC-SA
Intermediate Algebra Student Workbook Scottsdale Community College CC-BY-SA
Introduction to Mathematical Reasoning Saylor Academy CC-BY
Introduction to Matrix Algebra Kaw CC-BY-NC-ND
Introduction to Real Analysis Trench Custom
Introduction to Real Analysis Trench CC-BY-NC-SA
Introduction to the Modeling and Analysis of Complex Systems Hiroki Sayama CC-BY-NC-SA
Introductory Algebra Student Handbook Scottsdale Community College CC-BY-SA
Linear Algebra Hefferson CC-BY-SA
Linear Algebra Cherney, Denton, and Waldron CC-BY-NC-SA
Linear Algebra Chihaka CC-BY-SA
Linear Algebra, Theory and Applications Kuttler CC-BY
Linear Programming Mtetwa CC-BY-SA
Math Analysis CK-12 CC-BY-NC
Math Analysis Concept CK-12 CC-BY-NC
Math in a Sustainable Society Kaslik CC-BY-NC
Math in Society Lippman CC-BY-SA
Mathematics The Free High School Science Texts GFDL
Mechanics Chihaka CC-BY
Middle School Math - Grade 6 CK-12 CC-BY-NC
Middle School Math - Grade 7 CK-12 CC-BY-NC
Middle School Math - Grade 8 CK-12 CC-BY-NC
Middle School Math Concepts - Grade 6 CK-12 CC-BY-NC
Middle School Math Concepts - Grade 7 CK-12 CC-BY-NC
Middle School Math Concepts - Grade 8 CK-12 CC-BY-NC
Natural Resources Biometrics Diane Kiernan CC-BY-NC-SA
Notes on Diffy Qs: Differential Equations for Engineers Lebl Ralph W. P Masenge CC-BY-NC-SA
Number Theory Ralph W. P Masenge CC-BY
Numbers, Units, and Arithmetic OpenLearn CC-BY-NC-SA
Numerical Methods Masenge CC-BY-SA
Numerical Methods with Applications Kaw, Kalu, Nguyen CC-BY-NC-SA
PreAlgebra (College of the Sequoias) Reuger Custom
Prealgebra Textbook College of Redwoods Mathematics CC-BY-NC-SA
Precalculus Stitz, Zeager CC-BY-NC-SA
Precalculus Concepts CK-12 CC-BY-NC
Precalculus: An Investigation of Functions Lippman, Rasmussen CC-BY-SA
Probability and Statistics Chege CC-BY-SA
Proofs and Concepts: the fundamentals of abstract mathematics Morris CC-BY-NC-SA
Ratios, Proportion and Percentages OpenLearn CC-BY-NC-SA
Real Functions and Graphs OpenLearn CC-BY-NC-SA
Reasonable Algebraic Functions Schremmer GFDL
Reasonable Basic Algebra Schremmer GFDL
Reasonable Decimal Arithmetic Schremmer GFDL
Rounding and Estimation OpenLearn CC-BY-NC-SA
Single Variable Calculus Almukkahal, Cifarelli, Fan, Jarvis CC-BY-NC-SA
Single-Variable Calculus I Saylor Academy CC-BY
Squares, Roots and Powers OpenLearn CC-BY-NC-SA
Tea Time Numerical Analysis Brin CC-BY-SA
Texas Instruments Calculus Student Edition CK-12 CC-BY-NC
Texas Instruments Trigonometry Student Edition CK-12 CC-BY-NC
The Essential Elementary & Intermediate Algebra Blakely CC-BY-NC-SA
Trigonometry Landers, Meery CC-BY-NC-SA
Trigonometry Corral GFDL
Trigonometry WikiBooks CC-BY-SA
Trigonometry - Second Edition CK-12 CC-BY-NC
Trigonometry Concepts CK-12 CC-BY-NC
Understanding Algebra Brennan CC-BY-NC
Vector Calculus Corral GFDL
Worldwide Differential Calculus Massey ACARR

Music

Acoustics WikiBooks CC-BY-SA
Guitar WikiBooks CC-BY-SA
Internet for Music Sarah Taylor CC-BY-NC
Introduction to Music Theory Catherine Schmidt-Jones CC-BY
Musictheory.Net Musictheory CC-BY
Reading Music: Common Notation Catherine Schmidt-Jones CC-BY
Sound of Physics James McLean CC-BY-NC-SA
The Basic Elements of Music Catherine Schmidt-Jones CC-BY
Understanding Basic Music Theory Catherine Schmidt-Jones CC-BY

Nursing and Health

Academic Emergency Management and Related Courses Emergency Management Institute PD
Active, Healthy Lifestyles OpenLearn CC-NC-BY-SA
Anatomy and Physiology of Animals WikiBooks CC-BY-SA
Contemporary Health Concerns Judy Baker CC-BY-SA
Developing Anesthesia Dr. David Pescod CC-BY
Diversity and Difference in Communication OpenLearn CC-BY-SA
Drugs, Brains, and Behavior – The Science of Addiction NIH PD
Epidemiology and Prevention of Vaccine Preventable Disease 10th ed. Centers for Disease Control and Prevention PD
eSource: Behavioral and Social Science Research eSource PD
Essentials of Nutrition: A Functional Approach Maureen Zimmerman, Beth Snow CC-BY-NC-SA
Finding Information in Health and Lifestyle OpenLearn CC-BY-SA
First Aid WikiBooks CC-BY-SA
Health is Everywhere: Unraveling the Mystery of Health OpenLearn CC-BY-NC-SA
Health Now: An Integrative Approach to Personal Health Linda B. White CC-BY-NC-SA
History of Medicine NIH PD
HIV and AIDS Engender Health Custom
Infection Prevention Engender Health Custom
Integrated Safety, Health and Environmental Management: An Introduction OpenLearn CC-BY-NC-SA
Issues in Complementary and Alternative Medicine OpenLearn CC-BY-NC-SA
Medical Knowledge Base GANFYD BY-NC-SA
Medicine Transformed: On Access to Health Care OpenLearn CC-BY-NC-SA
Medicines by Design NIH PD
MedlinePlus NIH PD
NIH Curriculum Supplement Series NIH PD
Nutrition: Proteins OpenLearn CC-BY-NC-SA
Obesity: Balanced Diets and Treatment OpenLearn CC-BY-NC-SA
Occupational Health World Health Organization CC-BY-NC-SA
Principles of Human Nutrition Johns Hopkins CC-BY-NC-SA
Public Health health knowledge Custom
Steps to Success: Crossing the Bridge Between Literacy Research and Practice Kristen A. Munger, Bryan Ripley Crandall, Kathleen A. Cullen, Michelle A. Duffy, Tess M. Dussling, Elizabeth C. Lewis, Vicki McQuitty, Maria S. Murray, Joanne E. O'Toole, Joanna M. Robertson, Elizabeth Y. Stevens CC-BY-NC-SA
The Chemistry of Health NIH PD
Understanding Cardiovascular Diseases OpenLearn CC-BY-NC-SA
Vaccination OpenLearn CC-BY-NC-SA

Philosophy and Ethics

An Introduction to Philosophy Philip Pecorino CC-BY-NC-ND
Computers, Information Technology, the Internet, Ethics, Society and Human Values Philip Pecorino CC-BY-NC-SA
Consciousness Studies WikiBooks CC-BY-SA
David Hume OpenLearn CC-NC-BY-SA
Environmental Ethics, Justice, and World Views Saylor Academy CC-BY
Existentialism Saylor Academy CC-BY
Formal Logic WikiBooks CC-BY-SA
Historical Introduction to Philosophy Wikiversity CC-BY-SA
Introducing Philosophy OpenLearn CC-NC-BY-SA
Introduction to Ethical Studies Lee Archie, John G. Archie GDFL
Introduction to Formal Logic P.D. Magnus CC-BY-SA
Logic and Proofs Open Learning CC-NC-BY-SA
Medical Ethics Philip A. Pecorino CC-BY-NC-ND
Modern Philosophy BCcampus OpenEd CC-BY
Moral and Political Philosophy Saylor Academy CC-BY-NC-SA
Philosophy of Religion Philip A. Pecorino CC-BY-NC-ND
Reading for Philosophical Inquiry: A Brief Introduction to Philosophical Thinking, An Open Source Reader, Lee Archie, John G. Archie GFDL
Walden by H.D. Thoreau Henry David Thoreau PD

Physics And Astronomy

21st Century Physics CK-12 CC-BY-SA
A Radically Modern Approach to Introductory Physics - Vol 1 David J. Raymond GFDL
A Radically Modern Approach to Introductory Physics - Vol 2 David J. Raymond GFDL
All About Circuits All About Circuits DSL
Atomic Physics C. A. Kiwanga CC-BY-SA
Basic Physics CK-12 CC-BY-SA
Basic Physics of Nuclear Medicine WikiBooks CC-BY-SA
Calculus-Based Physics Jeffrey W. Schnick CC-BY-SA
Chaos: Classical and Quantum Predrag Cvitanovic´ GFDL
College Physics Paul Peter Urone, Roger Hinrichs CC-BY
College Physics for Students of Biology and Chemistry Kenneth R. Koehler Custom
Conceptual Physics Benjamin Crowell CC-BY-SA
Diablo Canyon Nuclear Power Plant: The WikiBook WikiBooks CC-BY-SA
Electricity and Magnetism Sam Kinyera Obwoya CC-BY-SA
Electricity and Magnetism 2 Henri Rasolondramanitra CC-BY-SA
Electronics Sam Kinyera Obwoya CC-BY-SA
FHSST Physics WikiBooks CC-BY-SA
Fukushima Aftermath WikiBooks CC-BY-SA
Fukushima Aftermath: Whither the Indian Point Nuke? WikiBooks CC-BY-SA
General Relativity Ben Crowell CC-BY-SA
Geometrical Optics and Physical Optics Herimanda A Ramilison CC-BY-SA
Internet for Physics Virtual Training Center CC-BY-NC
Introduction to Electromagnetism Saylor Academy CC-BY
Introduction to Mechanics Saylor Academy CC-BY
Introductory Neutronics WikiBooks CC-BY-SA
Light and Matter Ben Crowell CC-BY-SA
Mathematical Physics I René Yves Rasoanaivo CC-BY-SA
Mathematical Physics II Issakha Youm CC-BY-SA
Mechanics Ben Crowel CC-BY-SA
Mechanics II Tilahun Tesfaye CC-BY-SA
Modeling and Simulation for High School Teachers: Principles, Problems, and Lesson Plans CK-12 CC-BY-NC
Motion Mountain – The Adventure of Physics Motion Mountain CC-BY-NC-ND
Nuclear Physics Tilahun Tesfaye CC-BY-SA
Open Source Physics Open Source Physics Custom
People’s Physics Book James H. Dann CC-BY-SA
People's Physics Book Version 3 (with Videos) CK-12 CC-BY-NC
People's Physics Concepts CK-12 CC-BY-NC
Physical Science Concepts for Middle School Jean Brainard CC-BY-NC
Physical Science for Middle School Jean Brainard CC-BY-NC
Physics Open Learning CC-BY-NC-SA
Physics - From Stargazers to Starships CK-12 CC-BY-NC
Physics - Intermediate CK-12 CC-BY-NC
Physics Concepts - Intermediate CK-12 CC-BY-NC
Physics for K-12 Sunil Kumar Singh CC-BY
Physics Study Guide WikiBooks CC-BY-SA
Properties of Matter Sisay Shewamare CC-BY-SA
Quantum Mechanics René Yves Rasoanaivo CC-BY-SA
Radiation Oncology WikiBooks CC-BY-SA
Radioactive Waste Management WikiBooks CC-BY-SA
Simple Nature Ben Crowell CC-BY-SA
Solid State Physics Sam Kinyera Obwoya CC-BY-SA
Special Relativity WikiBooks CC-BY-SA
Statistical Physics Sisay Shewamare CC-BY-SA
The Restless Universe OpenLearn CC-BY-NC-SA
Thermal Physics Tilahun Tesfaye CC-BY-SA
This Quantum World WikiBooks CC-BY-SA
Visualizing Electricity and Magnetism John Belcher CC-BY

Political Science

American Government Imothy O. Lenz, Mirya Holman CC-BY-NC-ND
American Government Saylor Academy CC-BY
American Government and Politics in the Information Age David L. Paletz, Diana Owen, Timothy E. Cook CC-BY-NC-SA
Basic Political Concepts Paul Delespinasse CC-BY
Democracy in Brief IIP Digital PD
Elements of Political Communication WikiBooks CC-BY-SA
Ethics and Public Policy Saylor Academy CC-BY
Global Justice Saylor Academy CC-BY
Human Rights in Brief AZS Index PD
Introduction to Comparative Politics Saylor Academy CC-BY
Introduction to Politics Saylor Academy CC-BY
Introduction to Western Political Thought Saylor Academy CC-BY
Nationalism, Self-determination and Succession OpenLearn CC-BY-NC-SA
Political Science Boundless CC-BY-SA
The 9/11 Commission Report 9/11 Commission PD
The CIA World Factbook Central Intelligence Agency PD

Psychology

Anxiety Disorders National Institute of Mental Health PD
Applied History of Psychology WikiBooks CC-BY-SA
Attention Deficit Hyperactivity Disorder National Institute of Mental Health PD
Biological Psychology WikiBooks CC-BY-SA
Bipolar Disorder National Institute of Mental Health PD
Challenging Ideas in Mental Health OpenLearn CC-BY-NC-SA
Cognitive Psychology and Cognitive Neuroscience WikiBooks CC-BY-SA
Depression National Institute of Mental Health PD
Dialectical Behavioral Therapy WikiBooks CC-BY-SA
Eating Disorders National Institute of Mental Health PD
eSource: Behavioral and Social Science Research E-source PD
Groups and Teamwork OpenLearn CC-BY-NC-SA
Handbook of epistemology WikiBooks CC-BY-SA
Internet for Psychology Charles Stangor CC-BY-NC-SA
Introduction to Psychology Saylor Academy CC-BY
Introduction to Psychology Charles Stangor CC-BY-NC-SA
Introduction to Psychology Wikibooks CC-BY-SA
Lucid Dreaming WikiBooks CC-BY-SA
Men and Depression National Institute of Mental Health PD
Mental Health Medications National Institute of Mental Health PD
Mental Health Practice OpenLearn CC-BY-NC-SA
Noba Psychology Series James Pennebaker CC-BY-NC-SA
Open Source Psychology WikiBooks CC-BY-SA
Parapsychology WikiBooks CC-BY-SA
Post-Traumatic Stress Disorder National Institute of Mental Health PD
Principles of Social Psychology Charles Stangor CC-BY-NC-SA
Psychology Boundless CC-BY-SA
Psychology A Student Friendly Approach Saylor Academy Custom Copyright
Research Methods in Psychology Paul C. Price CC-BY-NC-SA
Schizophrenia National Institute of Mental Health PD
SL Psychology WikiBooks CC-BY-SA
Social Psychology Wikibook CC-BY-SA
Systems Thinking and Practice Open Learn CC-BY-NC-SA
The Body: A Phenomenological Psychological Perspective OpenLearn CC-BY-NC-SA
The Making of Individual Differences OpenLearn CC-BY-NC-SA
The Psychology Of Emotions, Feelings and Thoughts Mark Pettinelli CC-BY
Women and Depression: Discovering Hope National Institute of Mental Health PD

Sciences

An Introduction to Sustainable Energy OpenLearn CC-BY-NC-SA
Anatomy and Physiology of Animals WikiBooks CC-BY-SA
AP Environmental Science University of California College CC-BY
Comparing Stars OpenLearn CC-BY-NC-SA
Deserts: Geology and Resources Terrence Moore PD
Earth Science CK-12 CC-BY-SA
Earth Science Edward J. Tarbuck, Frederick K. Lutgens CC-BY
Earth Systems, an Earth Science Course Curriki CC-BY
Earth’s Physical Resources: Petroleum Open Learn CC-BY-NC-SA
Earthquakes OpenLearn CC-BY-NC-SA
Energy Conservation and Environmental Protection Sarma V. Pisupati CC-BY-NC-SA
Environmental Science in the 21st Century The National Science Board Custom
Evolution through Natural Selection OpenLearn CC-BY-NC-SA
Gene Manipulation in Plants OpenLearn CC-BY-NC-SA
Genes, Technology and Policy/The Science WikiBooks CC-BY-SA
Geology of the National Parks USGS CC-BY-NC-SA
Geothermal Energy—Clean Power from the Earth’s Heat Wendell A. Duffield, John H. Sass PD
GIS Commons: An Introductory Textbook on Geographic Information Systems Michael Schmandt CC-BY-SA
Internet for Environment Virtual Training Center CC-BY-NC
Introduction to Climate Dynamics and Climate Modelling Goosse H., P.Y. Barriat, W. Lefebvre, M.F. Loutre, V. Zunz CC-BY-SA
Life in the Palaeozoic OpenLearn CC-BY-SA
Life Science CK-12 CC-BY-SA
Nature of Geographic Information James L. Sloan II, Ryan Baxter, Wesley Stroh, Beth Fletcher King CC-BY-NC-SA
Outline of American Geography John Florin PD
Own You Own Space Linda McCarthy CC-BY-NC-ND
Physical Geography K. Allison, Lenkeit-Meezan CC
Plate Tectonics OpenLearn CC-BY-NC-SA
Radioactivity iLab Curricula OpenLearn CC-BY-SA
Science Appreciation: Introduction to Science Literacy John White, Michael Dennin custom license
Sustainable Energy – Without the Hot Air CK-12 CC-BY-NC
The Opensource Handbook of Nanoscience and Nanotechnology WikiBooks CC-BY-SA
This Dynamic Earth: The Story of Plate Tectonics U.S. Geological Survey PD

Sociology

Democracy in America Alexis de Tocqueville PD
eSource: Behavioral and Social Science Research E-sourse PD
Internet for Sociology Virtual Training Center CC-BY-NC
Introducing Social Work Practice Open Learn CC-BY-NC-SA
Introduction to Social Network Methods Robert A. Hanneman, Mark Riddle Custom
Introduction to Sociology Saylor Academy CC-BY
Introduction to Sociology WikiBooks CC-BY-SA
Introduction to Sociology Heather Griffiths, Nathan Keirns, Eric Strayer, Sally Vyain CC-BY
Living in a Globalised World The Open University CC-BY-NC-SA
Minority Studies: A Brief Sociological Text Ruth Dunn CC-BY
Negation: Essays in Critical Thinking Herbert Marcuse CC-BY-NC-ND
Social Problems: Who Makes Them? OpenLearn CC-BY-NC-SA
Sociology Boundless CC-BY-SA
Sociology of the Family Sociology of The Family CC-BY
Sociology: Understanding and Changing the Social World, Brief Ed. Steve Barkan CC-BY-NC-SA
Sociology: Understanding and Changing the Social World, Comprehensive Ed. Steve Barkan CC-BY-NC-SA
The Art of Community Jono Bacon CC-BY-NC-SA
The Theory of the Leisure Class Thorstein Veblen PD

Statistics

Causal and Statistical Reasoning Open Learning CC-NC-BY-SA
Collaborative Statistics Susan Dean, Barbara Illowsky CC-BY
Concepts and Applications of Inferential Statistics Richard Lowry Custom
Foundations in Statistical Reasoning Pete Kaslik CC-BY-NC-SA
From Algorithms to Z-Scores: Probabilistic and Statistical Modeling in Computer Science Norm Matloff CC-BY-ND
Getting Started with SPSS S. T. Kometa CC-BY-NC-SA
Introduction to Probability Charles M. Grinstead GFDL
Introduction to Statistical Thought Michael Lavine CC-BY-NC-SA
Introduction to Statistics Saylor Academy CC-BY
Introductory Statistics Douglas S. Shafer, Zhiyi Zhang CC-BY-NC-SA
Introductory Statistics: Concepts, Models, and Applications David W. Stockburger CC-BY-NC-SA
Online Statistics: An Interactive Multimedia Course of Study David Lane PD
OpenIntro Statistics David M Diez, Christopher D Barr, Mine C ̧ etinkaya-Rundel CC-BY-SA
Probability and Statistics AP Statistics Curriculum Custom License
Probability, Statistics and Random Processes Pishro-Nik CC-BY-NC-ND
Quantitative Information Analysis III (subset of Collab. Stats) Susan Dean, Barbara Illowsky CC-BY
Statistics Open Intro CC-BY-SA
Statistics WikiBooks CC-BY-SA

Do you know of a great open source textbook or learning resource that we missed?

Drop us a line at fenswickirene@gmail.com, and we’ll make sure to add it!

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