Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Slack - A messaging app for teams who see through the Earth!
Invision - Prototyping and collaboration for design teams
Sketchboard.io - Visual Remote Teamwork. Solve problems and create ideas on endless whiteboard with your teammates by sketching.
Sketch - Professional digital design for Mac.
Smoothboard Air - Smoothboard Air is a collaborative interactive whiteboard application for iPads and Android devices that revolutionizes interaction in lecture rooms.