This is a screenshot of an Annozilla sidebar running in Mozilla. Although this was taken quite a while ago, most of it reflects the current behaviour, although there are some cosmetic differences.

Cropped screenshot

This demonstrates the following functionality:

This is the preferences window, up to version 0.3.2.

Preferences window

Later versions will have the preferences split across three panels, mainly because the User Options panel needs some more space:

New User Preferences window New General Preferences window New Language Preferences window

Also in new versions, an XUL window for loading annotation bodies, and checking for replies:

Checking for replies

More experimental still, a graphical editing widget:

HTML editing widget

Also in development, a replacement sidebar in XUL:

XUL sidebar