Prynt - Turn your smartphone into a Polaroid
Huntathon - Browse and submit Product Hunt Global Hackathon projects
Impossible I-1 Instant Camera - Take real polaroid photos with your iPhone
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
AiryCam - Look good in every photo
MVP-Challenge - 2 weeks. 1 MVP startup. $0 costs