“Create and generate your own mobile phone code, sema code, QR code and DataMartix code.”
#tags
TDO Tag Fixes
“This [wordpress] plugin is simply intended as an example of how to implement tag and category intersections.”
TDO Tag Fixes
Plugin that allows you (amongst other things) to get a feed/page in WordPress that shows you all posts tagged with a specific tag (or set of tags) *within a certain category*.
WP Calais Archive Tagger
Plugin that goes through your archives and uses a web service to automatically tag everything with semantically-rich tags.
WordPress Function List
Awesome reference for WP theme functions.
PHP Tagging System
by Alex King.