Umm, I think it's all still open-sourced. It's just hosted at Github, which probably integrates it better into the open source community: https://github.com/k

Umm, I think it's all still open-sourced. It's just hosted at Github, which probably integrates it better into the open source community: https://github.com/khan https://github.com/khan They even make their ec2 instances open source!