PHP wrapper class for WHMCS API (Whmcs.Api.class.php). Currently contains the shell for every call, but only the functions used by this software are coded. This is submitted for you to use on your own projects, please contribute any code you have.
RhymeBrain is a service made to help writers, or anyone else for that matter, find rhymes for words, make new portmanteaus, and alliterate well. When writing with figurative language, or writing poems, such a tool can be very helpful for a writer who's currently stuck. It might also be helpful for such things as computer generated literature, but for that, you'd want a robust API with full access to the database. Well, you're in luck, because it does indeed exist.
For music enthusiasts who thrive on insider knowledge and detailed music conversation, WhoSampled would be just their cup of tea. It's basically an online community for discovering and discussing sampled music, remixes and cover songs. WhoSampled has partnered with The Echo Nest to provide the WhoSampled API that allows developers to access and integrate its functionality with other applications.
Scientific journals are providing greater access to published research by releasing new APIs. Cambridge Journals Online API and Public Library of Science Article Level Metrics API have both been released in the past several weeks. Meanwhile, the European Commission has just completed a public consultation on open access to research data ahead of a new wave of policy reform and their next big research funding round.