Simon Willison’s Weblog

CSS Sprite Generator (via) Upload a zip file of images and get back a CSS sprite plus a set of pre-calculated background image rules. Tool built by Ed Eliot and Stuart Colville for their forthcoming book “High Performance Web Site Techniques”. 27th September 2007, 10:59 pm

Online and offline development with the YUI and Charles (via) Stuart Colville shows how the Charles debugging proxy can be used to serve up hosted YUI files while developing offline. 15th May 2007, 2:41 pm

Twitter from TextMate. A TextMate Bundle that lets you send your currently selected text to Twitter. 25th March 2007, 6:10 pm

TweetyPy. A Python-based CLI client for Twitter, by Stuart Colville 24th March 2007, 4:47 pm