Keep track of all your walking and stay motivated.
Symbolic calculator that updates as you type, giving you instant answers.
create paper tests, exports for online testing systems
Foreign language learning tool
Identify and correct all your grammatical errors easily.
Celestial navigation program
Real time desktop pictures of the Sun (Sol)
shell scripts & tutorial for SETI and Folding CLI clients
programmable modeling environment
interactive geometry software
Relax as you listen to an ocean waves simulation.