The Vanilla Forums PHP SDK by Vanilla Forums integrates discussion modes into online communities. Individual add-ons include language as plugins, templates as themes, and scripts as open source tools. Additional information to customize and integrate forums with cloud solutions available at https://github.com/vanilla/vanilla
The many developers who use the Twitter API have built thousands of creative applications that have certainly exceeded anything that Twitter's founders could have initially imagined when the API was released (for examples of some of these applications, check out our growing list of hundreds of mashups that use the Twitter API).
InstantAPI promises to let developers create an API “in minutes.” Developers are currently signing up to the beta release to experiment, while Founder Scott Ling has plans for a API-as-a-service version to meet enterprise needs. He spoke to ProgrammableWeb about the InstantAPI roadmap.