Backchannel Chat - Backchannel Chat is best in class discussion tool that is intended for teachers to streamline their class activities.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
NowComment - NowComment is a complete suite of collaboration tools, streamlining group discussion, annotation, and curation of texts, images, and videos.
Clever - syncing between education applications for K-12 schools
Eduflow - Digital learning that actually teaches students something
Claroline - Claroline is a collaborative eLearning and eWorking platform.