Foursquare has announced the winners of its Hackathon held over the weekend. The worldwide event, saw more than 200 participants join in at Foursquare offices in NY and San Francisco along with other sites across the world. The result was more than 80 applications that used the Foursquare API in creative ways with GymShamer bagging top honors.
Synching up events and appointments onto a calendar can be an arduous task. Luckily, ProgrammableWeb provides a huge list of APIs, or Application Programming Interfaces, to help developers who want to create or enhance calendar applications. Here are the 11 most popular ones.