The Layer iOS SDK provides access to the functionality of Layer for integration with iOS applications and devices through Objective-C. Layer is a communications tool for applications that allow application developers to offer chat, voice, messaging, and video options in their applications.
Social Actions takes actions posted on the web from more than forty different socially progressive organizations, and aggregates them into a common format for easy discovery. The actions are concrete activities like volunteering, donating, signing a petition, making a loan, or attending a meetup, all in the service of "making a difference" for issues like Darfur, cancer, LGBT, prison reform, and other activist concerns. On the Social Actions site interested citizens can search the opportunities, and an API (our Social Actions API profile) allows developers to build on top of the stream of postings.
Twitter today made the Search Tweets API, the first of several new premium APIs, available to developers as a public beta. The move shows Twitter is following through on its commitment from earlier this year to help developers scale their projects from low-level to enterprise-class endeavors.