The AngularJS API allows developers to access and integrate the functionality of AngularJS with other applications and to create new applications.
Valet, car locator app for Android, has expanded beyond a handy reminder of where you parked your car. Valet was quick to jump on Google's recent release of location APIs and expand its functionality. Before the latest location APIs, a Valet user would need to manually start a timer and notify the app when parked so the app could drop a pin. With the locations APIs now integrated, the entire process becomes automated which eliminates the possibility of forgetting to set your app.
Well over 600,000 developers participate in a topcoder community that not only allows them to expand their development skills, but also gives them access to projects where they can get paid for participating.