Languages, training, online courses and revision.
Interactive 3D virtual human body to explore anatomy, diseases and treatments.
Online courses from top universities and companies.
Learn a language in a few minutes a day, like a game.
Free online courses from French universities and schools.
Free courses in math, science and more, for every level.
Online degree-granting training, mostly in tech.
Small game to master the pen tool (Bézier curves) used in Illustrator, Figma or Photoshop.
3D electronics circuit simulator in the browser: build, program and test without hardware (a Withdiode alternative).
Progressive typing lessons to learn to touch-type fast.
Thousands of video courses on every subject.
Turns any text into an interactive, scored quiz with AI.
Online graphing calculator, geometry and computer algebra.
The reference documentation for the web: HTML, CSS, JavaScript.
Plagiarism checker: finds whether a text was copied from the web and where it came from.
Computational engine: math, science, conversions and data.
