Education

Open edX is an online open-source learning platform that enables educational institutions to offer courses and programs for remote learning. It was created by the joint efforts of Harvard University and MIT for the well-known learning platform edX.

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.

Clozemaster is a language learning website and app that helps you learn vocab within the context of a sentence. It shows you a sentence with one word missing. You learn new words by choosing the correct word from multi-choice options.

QST (quiz, survey, and test) is an online examination and survey software with numerous features like an equation and basic editors, a question bank, multiple delivery options, export/import/convert questions, branching questions/skip logic, and many more.

LibreLingo is an open-source web app for learning language using interactive exercises. Currently, this new project only supports Spanish learning for English speakers.

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.

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

Sheppard Software is a website for online learning games and activities for kids that host hundreds of games in different categories like science, math, animals, languages, and more.

My Study Life is a school planner that enables you to keep track of your classes, tasks, assignments, and exams on any device.

Adapt is an e-learning authoring tool that creates fully responsive, multi-device, HTML5 e-learning content.

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

Freda is a free program for reading ebooks on Windows and Android. It has over 50,000 public domain classic books from Feedbooks, Gutenberg, and other online catalogs.