Detour - Immersive audio walks, now in 17 cities
Ambra - Ambra is an innovative Open Source platform for publishing Open Access research articles.
Photo Find - Navigate to the exact spot a photo was taken
Keepy - Organize & Save your kids' artwork, schoolwork and mementos
NoFilter - Discover great photo locations all over the world.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.