eBay4R is a Ruby wrapper for eBay's Web Services SOAP API. Has ease of use and small footprint. Instead of 40-50 line examples eBay gives you in C# and Java, with Ruby and eBay4R, examples are 5 lines or less.
Google today made an early preview version of Android N available to developers. The company released a new SDK to accompany the preview, which includes an initial, small handful of new APIs. The APIs add functionality to apps while also allowing developers to refine the user experience.