Artboard Studio - Online graphic design app mainly focused on product mockups.

Roomvine - Chatrooms for real life venues, neighborhoods and events

GraphJS - Make any website social

Spectrum - Browser-based app to visualize the frequencies of an audio file.

Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.

CityBugs - Improving cities to make them a better place to live in.