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 tool for simple arithmetic calculations

A simple maze game

A sweet Chess game

Prove Sir Isaac Newton correct

Oscilloscope program for visualizing microphone input

Learn financial planning basics

Interactive game for typing practice

Learn about the planets

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

A multilingual offline dictionary

An infix-notation graphing calculator

Create your own comic

Talk to your computer in Python

Read thousands of free e-books

Create your charts

Animate stick figures with keyframes

Engaging math game for children

Find matching pairs

It is a multilevel arcade game

A game about fractions

A mechanical calculator

A game based on logical induction

Tell a story

Get on your feet and dance!

Sugar activity to learn words

Based on gene regulatory networks