“Education”

Creates custom worksheets for math, writing and more.

Makes quizzes, matching games and memory games from your own content.

Create crosswords, word searches and mazes from your own words.

Estimates repayment instalments for a student loan.

Create educational activities such as crosswords and quizzes.

3D walk-through of the computations inside a small GPT-style language model.

Playable explainer on how cooperation and distrust spread, built around the repeated prisoner's dilemma.

Write MicroPython for the BBC micro:bit and flash it over WebUSB.

Free open-source digital audio workstation in the browser for music education and production.

Block-based programming editor for making games, stories and animations, usable without logging in.

Interactive diagram of a small convolutional network classifying images, running in the page.

Runs a small GPT-2 model in the page and shows attention and token probabilities as it generates text.

Visual, interactive tutorial and sandbox for learning git commands and branching.

Combines typing practice with English vocabulary using word lists and pronunciation.

Interactive chess lessons teaching piece movement, captures, and checkmate by playing mini games.

Train a tiny neural network on toy datasets in the browser and watch the decision boundary form.

Tutorial with an in-page 6502 assembler and emulator that draws to a pixel display.

Demos of neural networks trained directly in JavaScript for classification, regression and more.

Demo page for the PathFinding.js library: pick an algorithm, place walls and animate the search.

Online book with live demos of Bezier curve math, splitting, offsetting and intersection.

Game that teaches CSS flexbox by moving frogs onto lily pads with code.

Visual sandbox that draws what git commit, branch, merge and rebase do to the history graph.

Typing practice that adapts lessons to your weakest keys as you type.

Practise hiragana, katakana, kanji and vocabulary through short games with many themes.