Education

Nelson is a scientific software package providing a powerful open computing environment for engineering and scientific applications using modern C/C++ libraries (Boost, Eigen, etc.) and other state-of-the-art numerical libraries.

Sigil is an open-source multi-platform EPUB eBook Editor. Sigil supports code-based editing of EPUB files and the import of HTML and plain text files. A companion application, PageEdit, allows WYSIWYG editing of EPUB files.

Project Gutenberg is a volunteer effort to digitize and archive cultural works and encourage the creation and distribution of eBooks. The library includes over 60,000 free eBooks.

Evergreen is a scalable software for libraries that helps library patrons find library materials and helps libraries manage, catalog, and circulate those materials.

The site famously features K-12 video tutorials created by Sal Khan and the team.

Learning How to Learn: Powerful mental tools to help you master tough subjects is a course from Coursera created by Barbara Oakley that gives you easy access to the invaluable learning techniques used by experts.

Class Central aggregates courses from many providers to help you find the best courses in almost any subject, wherever they exist. You can easily filter the results only to include free courses.

Math is Apache OpenOffice's component for mathematical equations. It is most commonly used as an equation editor for text documents, but it can also be used with other types of documents or stand-alone.

BigBlueButton is an open-source virtual classroom application for online education that provides real-time audio, video, slides, whiteboard, chat, and screen sharing. It also allows participants to join the conferences with webcams and invite guest speakers.

This quick speed reading test by SwiftRead helps you measure your current reading speed and comprehension level.

Anki is an open-source flashcard program using spaced repetition, a technique from cognitive science for memorization.

OpenCards is a flashcard learning software. The flashcards are saved as PowerPoint presentation files and may include text, images, sounds, and LaTeX equations.