As of writing this post, in WordPress's directory there are 11,351 plugins and 1,239 themes. Source: http://wordpress.org/extend/ http://wordpress.org/extend/

As of writing this post, in WordPress's directory there are 11,351 plugins and 1,239 themes. Source: http://wordpress.org/extend/ http://wordpress.org/extend/ I'd call the API a success: it has thousands of authors releasing thousands of plugins and themes and this is only the code that's been released open-source.