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.
Stack Overflow - Community-based Q&A part of the Stack Exchange platform.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Clever - syncing between education applications for K-12 schools
Askalot - Askalot is a next generation CQA (Community Question and Answer) system.