Duolingo Math is an interactive learning platform that incorporates Duolingo's proven methods into math education, offering lessons in elementary and everyday math for both students and adults.
- Online Education Service
- Free • Proprietary
- iPhone
- iPad

Duolingo Math is an interactive learning platform that incorporates Duolingo's proven methods into math education, offering lessons in elementary and everyday math for both students and adults.

Are.na is: for researchers, artists, designers, knowledge collectors and autodidacts.



Chamilo is an open-source (under GNU/GPL licensing) e-learning and content management system, aimed at improving access to education and knowledge globally. It is backed up by the Chamilo Association, an international ONG based in Europe.

Cogent is a personal tutor with AI-driven tools for studying. From speedy flashcard generation to chatting with your own files, Cogent makes learning collaborative and organized. We transform how you learn, one subject at a time.

University of the People is the world’s first tuition-free, non-profit, online academic institution dedicated to opening access to higher education globally for all qualified individuals, despite financial, geographic or societal constraints.

LabPlot is a free, open source and cross-platform Data Visualization and Analysis software accessible to everyone and trusted by professionals.

fediverse.party provides a guide for the fediverse, a interconnected network of servers each running a different platform for web publishing (i.e. social networking, microblogging, blogging, or websites).
Online platform for the construction, customization, and dissemination of open educational resources (OER)

Mnemosyne (named for the Greek goddess of memory, Mnemosyne) is spaced repetition software developed from 2003 until the present. The software is similar to SuperMemo, commercial software developed by Piotr Wozniak.

Babbel is the new way to learn a foreign language. The comprehensive learning system combines effective education methods with state-of-the-art technology.

TensorFlow is an open source software library for machine learning in various kinds of perceptual and language understanding tasks.
Racket is a general-purpose programming language as well as the world’s first ecosystem for language-oriented programming.

Integrating powerful tools for book annoation, mindmapping, flashcards and more, to build up your reading notes as never before.

Extract LaTeX from PDFs or handwritten notes in seconds just by taking a screenshot.



Non-profit history encyclopedia with the mission to engage people with cultural heritage and to improve history education worldwide.

Algodoo gives you the opportunity to play with physics. Use your own hands and simple drawing tools to design, construct and explore the world of physics.

Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

Interactive visual communication tool offering stunning presentations, images, infographics, quizzes, and more, enriched with animations.

Packet Tracer is an essential learning tool used in these Cisco Networking Academy courses: IT Essentials, CCNA Routing and Switching, CCNA Security, Intro to Internet of Things (IoT), and Mobility Fundamentals.

Endless OS is a Linux-based operating system which provides a simplified and streamlined user experience using a customized desktop environment forked from GNOME 3. Rather than using a traditional Linux package management system, Endless OS uses a read-only root file system...

A free learning app and website (anton.app) for preschool to middle school for all subjects: English language arts, math, science, social studies, languages and music.

Take free Harvard online courses through Harvard Extension School's Open Learning Initiative. Course videos feature Harvard faculty.
Condenses over 6,000 nonfiction books and podcasts into concise 15-minute audio and text explainers, featuring expert-led guides and broad topic coverage.

Reverso Context offers translations in context of words, groups of words and idioms; a free dictionary with millions of examples in Arabic, German, Spanish, French, Hebrew, Italian, Dutch, Polish, Portuguese, Romanian, Russian and English.


