Lets you experience a website the way someone with a disability would.

Interactive simulations for physics, chemistry, and other sciences.

Site challenging misconceptions with engaging facts and stories.

Popular trivia platform with quizzes on geography and general knowledge.

Interactive explanations and simulations that teach complex ideas.

Global time, calendar, and date calculators for everyday use.

AI-assisted language learning through reading and listening immersion.

Gamified language learning using fill-in-the-blank practice.

Spaced repetition flashcard system for efficient memorization.

Math solver with step-by-step explanations for complex problems.

Free educational games for kids covering math and reading.

University courses and certificates from institutions around the world.

A curated collection of free educational and cultural resources: online courses, e-books, lectures, films, audiobooks, and language lessons from top universities and institutions.

Coding lessons and games for kids to learn programming.

Online community offering creative courses in art, design, and crafts.

Educational site with games, videos, and facts for children.

Adaptive flashcard learning platform based on cognitive science.

A retired math teacher has built full-blown math lessons for every grade, from 1st to 12th, and includes AP math lessons — all for free, relying only on donations.

Book and article summaries for professionals.

Nonprofit providing coding lessons and resources for students.

Math games, lessons, and puzzles for children.

Convert units across categories like length, weight, temperature, and more.

AI-powered language learning with video clips from native speakers.

Language learning platform with email-based lessons and vocabulary.

Gamified math learning platform for children.

Interactive science experiments and demonstrations for students.

Detailed book summaries and analysis platform.

Free online university lectures and courses from top schools.

Text-to-speech tool for converting written text into spoken audio.

Study guides and summaries for literature and more.