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.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Clever - syncing between education applications for K-12 schools
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Claroline - Claroline is a collaborative eLearning and eWorking platform.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.