Violentmonkey provides userscript support for Chrome, Opera, Maxthon and Firefox supporting most scripts for Greasemonkey and ...

GreaseKit is a SIMBL plugin, that adds user scripting to Safari, Mailplane, Diet Pibb.app and all WebKit applications.

Greasemonkey is a Firefox extension that allows you to customize the way webpages look and function. Hundreds of scripts are a ...

Create and manage add-ons made from Greasemonkey and Scriptish user scripts