The Rally .NET SDK by Joshua Stupplebeen interacts with the API, even though Rally Software does not maintain the kit actively. User guide provides links to access REST API and Web Services documentation. For support, ask a question at http://stackoverflow.com/questions/ask?tags=rally
Google has a new method for shrinking down the size of app updates in the Google Play Store. The fresh technique, called file-to-file patching, is more efficient than the previous algorithm. It can help crunch apps, making them easier to download over wireless networks. There's only one drawback.
Fog Creek Software has announced the release of HyperDev (beta), a platform that developers can use to build web applications and experiment with front-end and back-end code without having to configure servers, run shell commands, compile files, and complete other extraneous tasks.