OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Screencast-O-Matic - Free version Records up to 15 minutes, premium is $15/year.
Clever - syncing between education applications for K-12 schools
Droplr - Droplr is a tiny application that aims at helping people share things easier.
Claroline - Claroline is a collaborative eLearning and eWorking platform.