Google App Engine lands. It lets you develop and share web apps and is the same engine that runs Google’s own. It runs on Python (and Django templates). Curious? Watch Google’s developer Bret Slatkin code up a guestbook demo at the speed of thought.

Tracks is a great web-based (Ruby on Rails powered) application for managing Getting Things Done. I’ve using Tracks for about a year now. I’m currently running one of the development snapshots, so I’ll probably set up the new version and see what made the final cut.