Knotable - Cut the noise out of busy email threads
VoiceThread - Transforming media into collaborative spaces with video, voice, and text commenting.
Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.
mmhmm - Bring yourself and your personality into your video chats
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.
ClickShare - Share ideas and content securely from any device on the meeting room screen