Phontabulous - Fun, private, secure photo party with your friends
Retro - Instagram viewer for iPad
Vecihi - Build your own photo sharing app in 5 minutes
lapse - Instant time-lapse video with no re-rendering
100 Days of Wordplay - 100 Day Project - 100 mini crossword puzzles
BeReal - Everyday at a different time, everyone is notified simultaneously to capture and share a Photo in 2 Minutes.