LTSP - The Linux Terminal Server Project adds thin-client support to Linux servers.
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.
Thinstation - Thinstation is a basic and small, yet very powerful, open source thin client operating system...
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
linuxmuster.net - linuxmuster.net is a comprehensive complete solution for the operation of school IT infrastructure.
Clever - syncing between education applications for K-12 schools