API:Web APIs hub

You don't have to be a PHP hacker to do interesting things with free open knowledge! We encourage you to use Wikimedia's APIs; with them you can extract, monitor in real time, publish, and edit You can perform more detailed analysis of Wikimedia dumps and datasets. Beyond these there are hundreds of Wikimedia open source projects you can extend or contribute to.
 * Free information in hundreds of languages: articles, books, quotations... from all the
 * Free images and media files on Commons.wikimedia.org
 * Free structured data of articles on Wikidata

Build

 * the MediaWiki API
 * the Wikidata API

There are many other ways to contribute