This is one of the sites of Sean B. Palmer, and was active from 2000 to 2004. It has now been mothballed in favor of inamidst.com. There isn't really much here for public consumption, but my Pyrple RDF API and Pwyky Python wiki are fairly popular. Here's a potted anthology of some of the other things on the site:
Pyrple was written in 2003, the same year that I mused about RDF Graph schemata and RDF Path languages. In 2002 I documented the state of the art of embedding RDF in HTML. Way back in 2001, by contrast, there wasn't much information about the Semantic Web at all, so I contributed by writing tutorials: my ones on the Semantic Web, CWM, and N3 seem the most popular, though patchy and in places out of date now.
In a more humorous mode I wrote The Semantic Web in Haiku, which is most remarkable for its haiku RDF/XML tutorial. I also wrote some little bits of code in the early days of the Semantic Web, including a set of RDF Lint rules, the eep3 RDF API (and successor to Pyrple), and one of the very first RDF wikis.
In 1980 TimBL wrote a program called ENQUIRE which was the precursor to the World Wide Web. I transcribed the ENQUIRE manual into HTML one day, since the images of the manual were a bit unweildy and not all that accessible. I've also written about the early history of HTML in some detail.
Most of my XML Format work was conducted on EARL, the Evaluation and Repair Language, under the aegis of the W3C WAI's Evaluation and Repair Tools Working Group. When xml-dev was proposing to do something about the namespace documents issues, I proposed XNCL (the XML Namespace Catalogue Language), which is now of historical interest only.
As well as the Semantic Web in Haiku I also wrote WCAG In Haiku.