Your Soundcloud stream has both DJ mixes and single songs. Go here to listen to just the DJ mixes and use your SoundCloud like a radio.
A single-page MEAN app to help keep track of my job hunt.
A social network for LGBT gaymers, and tools to help run the GaymerX convention.
A blogging tool based on Git and Jekyll - similar to Gihtub Pages, but with a great online editor and easy posting tools. Ultimately, Prose was better.
Dribbble for indy game developers.
An open source system for voting on music - solved an office speaker war at my company. This was before Turntable.fm