The Twitter Cocoa Objective-C SDK by Nathaniel Symer allows developers to integrate the Twitter API into their applications built with Cocoa, an Objective-C framework. This SDK can be found on CocoaPods.
Rapleaf wants to see more personalization apps built on its Rapleaf Personalization API. To support the expansion, the company will provide grants and services to companies via its just-launched $1 million fund. The investment approach is quickly joining contests and hackathons as ways for providers to woo developers.