Mathieu’s experiments range over a wide range of areas, from photo manipulation and raytracing to fractal generation and Wolfenstein… amazing stuff! My personal favorites are the 512b JSpongy and 3D Dots Performance Test.
One thing that isn’t available on the website is an RSS feed for the latest releases, which is a pity as I want to add them to my Google Reader. Luckily with Web Applications like dapper.net it’s easy to create an RSS feed (plus many others) from any website using screen scraping. For anyone else who wants to add p01 to their feed reader, here’s the RSS feed I created.