The Strava Node.js SDK by Austin Brown access the API to implement running and cycling features into applications. It supports OAuth, athletes, activities, clubs, and gear. It includes installation and additional development resources.
Today at Where 2.0 Yahoo announced the release of Placemaker, a new "geo-enrichment" platform. The freely-available platform, which includes an API (our Placemaker API Profile), enables developers and publishers to make applications and data sets location-aware by determining the "whereness" of unstructured content (such as blog posts, new articles, feeds, and web pages).
An early influential Google Maps mashup now gives users the chance to change mapping imagery. The GMaps Pedometer (our GMaps Pedometer mashup profile) has six different tile options, the most recent of which is OpenStreetMap, the free editable map of the world.