JavaScript Wiktionary lookup plugin for third parties: http://bawolff.blogspot.com/2009/10/introducing- wiktionary-lookup-now-for.html http://en.wiktionary.org/wiki/Wiktionary:Parsing
DBpedia Community project extracting structured data from Wikipedia and making it available Can download data sets or query them online Ontology++ e.g. dbpedia.org/page/Lonely_Planet
toolserver.org Server for community-developed plugins, addons, extensions, stats and hacks – tools Tools often explicitly implements implicit editing community standards (“community API”) Toolserver
TemplateTiger toolserver.org/~kolossos/templatetiger/ For a few dozen Wikipedia languages, & Wikimedia Commons Lets you query templates very much like SQL