Slack - A messaging app for teams who see through the Earth!
UI Movement - The best UI design inspiration, daily
Sketchboard.io - Visual Remote Teamwork. Solve problems and create ideas on endless whiteboard with your teammates by sketching.
Design Hunt - Curated design inspiration for everyone
Smoothboard Air - Smoothboard Air is a collaborative interactive whiteboard application for iPads and Android devices that revolutionizes interaction in lecture rooms.
Page Flows - User flow design inspiration for mobile & desktop