Graph
Make graphs of mathematical functions. (Java, disabled)
Fractals
Draw geometrical patterns. (Java, disabled)
Ayoayo
Play the most popular board game in Africa. (JavaScript)
Retirement Calculator
Use a calculator to plan your retirement. (JavaScript)
Quizzes
Take a quiz on geography, history, language, literature, music, science, mathematics, or computers.
Environmental Survey
How environmentally friendly are you? Rate yourself in eight areas and see 100 ways you can help save the earth.
Personifier
Display a humorous random phrase based on a person's name (Vogl, Bush, Putin, Obama, Trump). (JavaScript)
Draw Shapes
Draw and download colored patterns using a variety of geometric shapes. (JavaScript)
Image Editor
Edit and download a selected or uploaded image. (JavaScript)
Colorado History
Historical events in Colorado that occurred on today's calendar date. (JavaScript)
Spirals
Draw and download colorful Lissajous figures and spirographs. (JavaScript)