xul-ext-greasemonkey 0.8.20100211.5-1ubuntu2 (i386 binary) in ubuntu lucid

 Greasemonkey allows users of the Firefox web browser to create or download
 user scripts which modify the content or behavior of web sites. It provides
 a powerful way to personalize the web. The scripts are written in JavaScript
 and have access to many of Firefox's features.
 .
 A large collection of prewritten scripts can be found at userscripts.org