The Evernote Cloud iOS SDK by Evernote is the official Objective-C implementation by Evernote. This SDK calls the Evernote Cloud API which provides data collection services. Developers need to obtain an API key.
Wearables are the next big thing and Plantronics, maker of enterprise-grade Bluetooth headsets and other gear, wants to play a key role. The company has a dedicated developer program with PLT Labs, and is participating in hackathons around the country to raise awareness about its potential.
GoPollGo is all about creating polls, from running them during presidential debates to coworkers polling each other on where to go for lunch. It has two APIs. One is a public read-only API free to anyone. The other is private, in beta that allows third parties to create polls. Clients such as ESPN, Netflix, Hotels.com, Robert Scoble, AppleInsider and The Weather Channel, use GoPollGo to track opinions on their brands and businesses.