A collection of add-ons that are well suited for Scriptish users.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
The greatest user script engine on the Internet (a fork of Greasemonkey).
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
281 weekly downloads
A Open Search definition for UserScripts.org, to help find Greasemonkey user scripts.