The Happyfiit Android SDK by Happyfiit is a library that allows for seamless integration between established mobile fitness applications and the Happyfiit Rewards Server running on the cloud. Happyfiit is a company that distributes rewards to fitness app users for their sports achievements. A sample android application that demonstrates the use of the SDK for managing user workouts and displaying rewards is available at following URL: https://github.com/happyfiit/sample-app
Trailforks runs "a user-powered mountain bike trail database currently focused on BC, Canada," to report on trail conditions and what is required to upgrade them.Notes for the Trailforks API are like the bike trails it reports on: rough. But the site's creator, Trevor May, promises more documentation soon.
With the holiday weekend coming up in the U.S., avid divers may be making their way to their favorite spots. Dive.io is a web service designed for divers, so they can log their dives, share their favorite dive spots, and meet fellow divers. It's very specific, but it does its task quite well. It also has a nice API, allowing for integration of the service into, well, anything at all.