HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

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.

Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Clever - syncing between education applications for K-12 schools

iMocha - Make intelligent talent decisions.

Claroline - Claroline is a collaborative eLearning and eWorking platform.