Organisations I support

Free culture

 * OpenStreetMap
 * Wikimedia Foundation

Web stuff

 * Microformats
 * IndieWebCamp
 * OpenLibrary

LGBT

 * WikiQueer - a wiki about LGBT stuff (I'm an admin)
 * Truth Wins Out - exposing the lies of "ex-gay"/anti-gay extremists
 * Freedom to Marry (UK)
 * Freedom to Marry (US)
 * National Center for Transgender Equality (US)