This plugin implements an admin theme which results in the Dashboard looking similar (but not exactly) to how it looked prior to the 2.5 release.
"Hide Dashboard" hides the dashboard for all users with the capability "hide_dashboard".
Removes incoming links, dev news and planet news off the dashboard.
This plugin adds a reminder tip (in large red letters) in the top right corner of your WordPress admin pages.
With this plugin you can remove sections of the dashboard, add new code, or even add Sidebar Widgets.
Fixes a fatal error message on the dashboard.
Widget for the WordPress 2.5+ dashboard to display the latest comments.
No Browse Happy is a simple (and useless) Plugin to hide the Browse Happy logo from WordPress admin pages when viewed using IE.
Replace Blogsearch by Technorati incoming links on the Dashboard
This plugin replaces the existing WordPress dashboard with an ajax homepage style of dashboard.
Wiki on the dashboard for multiple autors.
Removes the WordPress news sections and reorganizes the sidebar for maximum screen usage. See the screenshots for more details.