The BioWiki is a collaborative approach toward biology education where an Open Access textbook environment is constantly being written and re-written by students and faculty members resulting in a free Biology textbook to supplant conventional paper-based books.

Funded by the Howard Hughes Medical Institute, this website provides multimedia resources including apps, animations, videos, tutorials, and virtual labs along with instruction guides. Resources are created by scientists, artists, and education experts.

Use the course finder to browse from 15 biology specialties including: biochemistry, cell biology, genetics, and microbiology. Use the limiters to select the types of OER you would like to use including: lecture notes, interactive simulations, online textbooks, and assessments.

Resources from the National Association of Biology Teachers.
Includes links to many resources; especially geared toward biology teachers and biology education majors.

Provides access to high quality resources with an emphasis on STEM subjects.

Created by Nature Publishing Group, provides educators with resources on genetics and cell biology and tools to customize ebooks, create online courses, and share resources and content with colleagues.

This open code resource is expanding daily as users contribute interactive illustrations to show concepts in a wide variety of topics.

Education resources from the American Chemical Society.

The ChemCollective is a collection of virtual labs, scenario-based learning activities, tutorials, and concept tests. Teachers can use our content for pre-labs, for alternatives to textbook homework, and for in-class activities for individuals or teams. Students can review and learn chemistry concepts using our virtual labs, simulations, and tutorials. The ChemCollective is organized by a group of faculty and staff at Carnegie Mellon who are interested in using, assessing, and creating engaging online activities for chemistry education.

ChemEdDL Chemical Education Digital Library for undergraduates from the American Chemical Society

A series of tutorials on basic Chemistry from the Department of Chemistry at the University of Illinois.

The ChemWiki is a collaborative approach toward chemistry education where an Open Access textbook environment is constantly being written and re-written by students and faculty members resulting in a free Chemistry textbook to supplant conventional paper-based books

A series from the NASA collection.

An innovative/online approach to science labs with in time instruction for students writing lab reports.

Use the course finder to browse from 4 chemistry specialties including: analytical chemistry, inorganic chemistry, organic chemistry, and physical chemistry. Use the limiters to select the types of OER you would like to use including: lecture notes, interactive simulations, online textbooks, and assessments.

Created by the NSF-funded Network for Computational Nanotechnology, and provides online presentations, courses, learning modules, podcasts, animations, and teaching materials.

This online workbook has been developed for senior undergraduate and graduate students learning to solve the structures of organic compounds from spectroscopic data.

This open chemistry database allows users to search for structures and bioassay data, compounds, and substances.

This open code resource is expanding daily as users contribute interactive illustrations to show concepts in a wide variety of topics.

Use the course finder to browse from 12 computer science specialties including: artificial intelligence, computer networks, programming languages, and software design. Use the limiters to select the types of OER you would like to use including: lecture notes, interactive simulations, online textbooks, and assessments.

Think Bayes is an introduction to Bayesian statistics using computational methods. Most books on Bayesian statistics use mathematical notation and present ideas in terms of mathematical concepts like calculus. This book uses Python code instead of math, and discrete approximations instead of continuous mathematics. As a result, what would be an integral in a math book becomes a summation, and most operations on probability distributions are simple loops. -Allen B. Downey

Think Stats emphasizes simple techniques you can use to explore real data sets and answer interesting questions. The book presents a case study using data from the National Institutes of Health. Readers are encouraged to work on a project with real datasets. if you have basic skills in Python, you can use them to learn concepts in probability and statistics. Think Stats is based on a Python library for probability distributions (PMFs and CDFs). Many of the exercises use short programs to run experiments and help readers develop understanding. -Allen B. Downey

Archive of free lectures videos and audio on data structures, discrete mathematics and probability theory, operating systems and system programming, software engineering, .

This open code resource is expanding daily as users contribute interactive illustrations to show concepts in a wide variety of topics.

Digital math tools for calculating and graphing that can be used by students to complete assignments, or used by faculty to create assignments and class activities.

Created by Eastern Iowa Community Colleges (EICC) using a Department of Labor grant, and contains a series of over 150 embeddable and downloadable 3D simulations on the engineering technology topics: automation, electro/mechanical, process control, and renewable energy.

Use the course finder to browse from 13 engineering sub-topics including: civil engineering, electrical engineering, and mechanical engineering. Use the limiters to select the types of OER you would like to use including: lecture notes, interactive simulations, online textbooks, and assessments.

Full open courses including syllabi, and lecture videos created by faculty at the Newark College of Engineering with an emphasis on electrical engineering.

To help students visually comprehend concepts, PhET simulations animate what is invisible to the eye through the use of graphics and intuitive controls such as click-and-drag manipulation, sliders and radio buttons. In order to further encourage quantitative exploration, the simulations also offer measurement instruments including rulers, stop-watches, voltmeters and thermometers. -PhET

Stanford encourages educators from around the world to use the full lecture videos, syllabi, assignments, and exams available on this site in their own classrooms.

This open code resource is expanding daily as users contribute interactive illustrations to show concepts in a wide variety of subjects.

Several open engineering textbooks from statics to aerodynamics.

Open textbook by Donald E. Richards.

Includes statics, numerical analysis, solids, vibrations and sounds, dynamics, and more.

Open textbooks endorsed by the American Institute of Mathematics. Topics include introductory mathematics, calculus, real analysis, and statistics.

Funded by the National Science Foundation, "AMSER is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use."

Digital math tools for calculating and graphing that can be used by students to complete assignments, or used by faculty to create assignments and class activities.

Anyone who works with LaTeX knows how time-consuming it can be to find a symbol that you cannot memorize the mark-up for. Detexify is an attempt to simplify the search. Users draw a symbol in a window on the page and Detexify matches it to its corresponding LaTeX markup.

GeoGebra is dynamic mathematics software for all levels of education that brings together geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. GeoGebra is a rapidly expanding community of millions of users located in just about every country. GeoGebra has become the leading provider of dynamic mathematics software, supporting science, technology, engineering and mathematics (STEM) education and innovations in teaching and learning worldwide.

Mathcentre provides support material for a variety of math classes. Math centre is divided in classes and each class is separated into key topics featuring videos and reference sheets on topic specific material.

Use the course finder to browse from 11 mathematics sub-topics including: algebra & number theory, mathematical analysis, and topology & geometry. Use the limiters to select the types of OER you would like to use including: lecture notes, interactive simulations, online textbooks, and assessments.

MyOpenMath is a free and open version of MyMathLab or WebAssign. Instructors can create randomized algorithmically generated problems for their students or choose from problems already created by other instructors. These problems will be automatically graded and are viewable from an instructor's account. Because of its open nature, MyOpenMath allows students to create free accounts that allow them access to randomized practice problems and the possibility of unlimited practice.

Sage is a free open-source mathematics software system licensed under the GNU General Public License. It build on top of many existing open-source packages: NumPy, SciPy, matplotlib, Sympy, GAP, FLINT, R, and many more. Sage accesses the combined power of these through common, Python-based language or directly via interfaces or wrappers. Tutorials and Documentation are available.

This open code resource is expanding daily as users contribute interactive illustrations to show concepts in a wide variety of topics.

ComPADRE is a collection of resources that cater to both Physics instructors and learners. It is a platform through which learners and instructors are given the ability to publish and search for high quality resources created for their specific needs. The comPADRE collections are a specialilzed place that reduces duplication, provides interoperability and facilitates resource sharing. The collections at comPADRE offer document hosting for Physics education related material. It organizes news, events, and forums of the Physics community as well as jobs, research, and opportunity databases. Dr. Bruce Mason of the OU Physics Department is the Principal Investigator of comPADRE.

Open-access textbooks in Physics & Math.
Euro-centric, but some books/chapters are authored by faculty at places like MIT, Rice, etc.

This image bank is home to many diagrams and illustrations that might be useful when teaching particle physics as well as many images related to the field and study of particle physics.
Images from the symmetry image bank may be downloaded, reproduced and published free of charge for use in presentations, reports, educational materials and websites, newspapers, online news sites and other not-for-profit educational outlets... A credit line that recognizes "symmetry magazine" must accompany each published image.

Use the course finder to browse from 12 physics specialties including: astrophysics, nuclear physics, particle physics, relativity, and theoretical physics. Use the limiters to select the types of OER you would like to use including: lecture notes, interactive simulations, online textbooks, and assessments.

Created by the NSF-funded Network for Computational Nanotechnology, and provides online presentations, courses, learning modules, podcasts, animations, and teaching materials.

To help students visually comprehend concepts, PhET simulations animate what is invisible to the eye through the use of graphics and intuitive controls such as click-and-drag manipulation, sliders and radio buttons. In order to further encourage quantitative exploration, the simulations also offer measurement instruments including rulers, stop-watches, voltmeters and thermometers. -PhET

Physics Classroom is a collection of Physics tutorials that cover all topics typically covered in college level Physics I and Physics II courses. Newton's laws, vectors, momentum, work and energy, rotational motion, optics, relativity, electricity and magnetism are all represented. Also featured on the Physics Classroom are animations of physical phenomena that will help any student to conceptualize physics.

Over 190 podcasts created by University of Oxford faculty, visiting lecturers, and conference addresses available on various topics, many of which are organized into series.

This open code resource is expanding daily as users contribute interactive illustrations to show concepts in a wide variety of topics.