Teaching Tools - The best resources for teaching, tutoring, and mentoring.
Allo.io - Whiteboarding, documentation, and video chat in one place.
The Desk for StarUP - Design for Smart Working
Butter - Butter is a newly launched chatting application that focuses more on the privacy of its users.
Startup Stash - A curated directory of 400 resources & tools for startups
Draw.Chat - Anonymous real-time whiteboard with text and video chat.