Invision - Prototyping and collaboration for design teams
ClipCard for Mac - Instant cloud search with a keystroke on your Mac
Red Pen - Red Pen lets you upload your design, share a short URL, and get live, annotated feedback super-fast.
Mini Metro - Make the trains run on time
Pastel - Sticky note-based feedback collection tool for live websites
Insync - Meet the Insync team that made it possible for users to do more with Google Drive storage on your devices.