A sweet painting tool

Play music with this piano keyboard

A sweet Chess game

An animated face that speaks whatever you type

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

Learn about the planets

A tool for simple arithmetic calculations

A multilingual offline dictionary

Interactive game for typing practice

Prove Sir Isaac Newton correct

Oscilloscope program for visualizing microphone input

Learn financial planning basics

Read thousands of free e-books

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

A simple maze game

An infix-notation graphing calculator

Talk to your computer in Python

Animate stick figures with keyframes

Create your charts

A game based on logical induction

A game about fractions

Create your own comic

A mechanical calculator

Find matching pairs

A pattern-matching game

Tell a story

Implode blocks of the same colour until they are all gone

Engaging math game for children

It is a multilevel arcade game

Based on gene regulatory networks