Invision - Prototyping and collaboration for design teams
Envisage - Inject contextual help on your site. Point and click style.
Dotarchy - Pick a topic, discuss it, make some Friends
Product Fit - Measure product/market fit in app with your users.
zipBoard - ZipBoard is a web-based visual bug tracking & issue tracking tool that helps developers, testers and project managers collaborate during website and elearning development.
World Brush - AR app where you paint on the real world for others to find