django-debug-toolbar. The new panel styling for the Django debug toolbar is really slick—here’s a neatly produced screencast demonstrating it (with Gypsy Jazz accompaniment).

Using the New MySQL Query Profiler. Extremely powerful new feature in MySQL 5.0.37. Definitely something for the Django debug toolbar.

Introducing the Django Debug Toolbar. Another project inspired by DjangoCon: a component based debugging toolbar for Django. I like the architecture so far.