Python

Poll-n-Ping is a free automated blog pinging service that monitors your feed for changes and pings blog search directories automatically — no manual effort needed.

A patch for TurboGears 1.0.4.3 that separates user authentication from marking a user as authenticated, enabling Drupal-style one-click login links via email.

A Python script that checks your blog feed's MD5 hash and automatically pings Technorati, Icerocket, and Google Blog Search via XML-RPC when new posts are detected.

cc-license-viewer 1.1.0 for the Epiphany browser detects Creative Commons licensed pages via RDF metadata or license badge and shows an icon in the status bar.