A sweet painting tool

Play music with this piano keyboard

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

A simple maze game

Interactive game for typing practice

An animated face that speaks whatever you type

A tool for simple arithmetic calculations

Oscilloscope program for visualizing microphone input

A multilingual offline dictionary

An infix-notation graphing calculator

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

Prove Sir Isaac Newton correct

A sweet Chess game

Learn about the planets

Learn financial planning basics

Read thousands of free e-books

Create your charts

Talk to your computer in Python

Create your own comic

Animate stick figures with keyframes

Find matching pairs

Engaging math game for children

Based on gene regulatory networks

A game about fractions

It is a multilevel arcade game

A mechanical calculator

Tell a story

A game based on logical induction

Get on your feet and dance!

A pattern-matching game