POP (Prototyping on Paper) - POP helps you make interactive prototype with ease. If you can draw, you can design apps.
Mevo by Livestream - The live event camera
Invision - Prototyping and collaboration for design teams
Unicorns - Live stream your iPhone screen
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Shipstreams - A list of makers shipping live