Spinnner - Challenge your friends to a spin-off (literally)
UXTesting - Discover how your mobile users feel
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
Blogcast - Turn your articles into audio
BugBug.io - BugBug makes test automation ultra-simple. It allows you to automate testing without coding, ensuring the quality of your web app or website without repetitive manual testing or writing a line of code.
Invision - Prototyping and collaboration for design teams