SpaceAPI

The HackerSpace SpaceAPI proposes a unified syntax to publish information about a hackerspace for consumption by javascript widgets, mobile apps and other scripts or programs. The API is flexible, and allows for custom extensions.

http://cccgoe.de/spaceapi.php

Links:

 * http://openspace.slopjong.de
 * http://wilco.baanhofman.nl/station/spaces.html
 * http://hackerspaces.me/wall