A sweet painting tool

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 sweet Chess game

A tool for simple arithmetic calculations

A multilingual offline dictionary

Prove Sir Isaac Newton correct

Interactive game for typing practice

Oscilloscope program for visualizing microphone input

Learn about the planets

An infix-notation graphing calculator

Learn financial planning basics

Read thousands of free e-books

Tell a story

A simple maze game

Engaging math game for children

Talk to your computer in Python

Animate stick figures with keyframes

Create your charts

Find matching pairs

Implode blocks of the same colour until they are all gone

A game about fractions

Create your own comic

A game based on logical induction

Sugar activity to learn words

A pattern-matching game

A mechanical calculator

It is a multilevel arcade game

Based on gene regulatory networks