CodeShare.io - Realtime code sharing for developers
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Code2Flow - An easy solution to create product flows.
Clever - syncing between education applications for K-12 schools
Code.gov - Share & reuse open source code from the Federal Government
Claroline - Claroline is a collaborative eLearning and eWorking platform.