If you're good at python, the One Laptop per Child project is a good place to look. I've been developing a few applications with some friends for a branch of th

If you're good at python, the One Laptop per Child project is a good place to look. I've been developing a few applications with some friends for a branch of the program that we're starting in a local school system. The os for the XO laptop (called Sugar) is almost entirely written in python. The people on their IRC channel are usually pretty nice and helpful.