Huntathon - Browse and submit Product Hunt Global Hackathon projects
Prynt - Turn your smartphone into a Polaroid
Foundler - Online hackathon weekends. Attend every other week.
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