While it is beta, it is free. They provide space and you can use it to collaborate.
A very cool and useful tool to play with Python code within a browser-based IDE. You can share your code using this tool too.
learnpython.org’s interactive Python tutorial. Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the Python programming language
Interesting paper that talks about different projects for students to do with robotics. The idea is to do projects beyond the usual mobile robots in order to attract a wider variety of students!
Dozens of school-age kids gathered at the Tech Museum in downtown San Jose on Saturday for a day of hacking. Armed with laptop computers, the youngsters hunkered down around tables, and in bean-bag chairs on the floor, to learn from a team of veteran hackers, most of them young engineers at Silicon Valley startups.
The GBC (or Great Ball Contraption) has always been a favorite of mine. It’s something I helped start, and has been embraced the world over. Recently there’s been a new series of videos by YouTube user akiyuki showing some amazing mechanical solutions, but one just popped up that shows a robotic arm (driven by an NXT) that is simply amazing to watch:
An interesting mechanism for locomotion.