Proto.io
Quick prototyping tool for multiple devices with support for animations.
Boardroom
Browser-based virtual post-it note board.
Conceptboard
Browser-based visual collaboration.
Patternry
Collaborative design patterns.
GroupMap
Browser-based ideas/mapping.
Process On
Web-based diagram tool.
Keynotopia
Enhances prototyping capabilities of Keynote.
Vine
6 second videos. Can be saved straight to camera roll without sharing.
Notism
Design collaboration tool with Basecamp integration.
Spacedeck
Visual collaboration for teams.