Backchannel Chat - Backchannel Chat is best in class discussion tool that is intended for teachers to streamline their class activities.
Explain Everything - Explain Everything is an easy-to-use design, screencasting, and interactive whiteboard tool that...
Eduflow - Digital learning that actually teaches students something
Microsoft Whiteboard - The canvas where ideas, content, & people come together.
NowComment - NowComment is a complete suite of collaboration tools, streamlining group discussion, annotation, and curation of texts, images, and videos.
Conceptboard - Instant Whiteboards for Teams & Projects