A sweet painting tool

Prove Sir Isaac Newton correct

Play music with this piano keyboard

A collection of tools for exploring fundamental musical concepts in a fun way.

An animated face that speaks whatever you type

A tool for simple arithmetic calculations

Interactive game for typing practice

Read thousands of free e-books

Learn financial planning basics

Oscilloscope program for visualizing microphone input

Learn about the planets

A multilingual offline dictionary

A sweet Chess game

An infix-notation graphing calculator

A Logo-inspired turtle that draws colorful pictures with snap-together visual programming blocks

A simple maze game

Create your charts

Create your own comic

Talk to your computer in Python

Animate stick figures with keyframes

Engaging math game for children

A mechanical calculator

Implode blocks of the same colour until they are all gone

Find matching pairs

A pattern-matching game

A game about fractions

A game based on logical induction

Get on your feet and dance!

Based on gene regulatory networks

Tell a story