Greasemonkey Customize the way a web page displays or behaves, by using small bits of JavaScript. Free Open Source Mac OS X Windows Linux Firefox Firefox extension Add a feature 348 Like
Tampermonkey Tampermonkey is a free browser extension and the most popular userscript manager for Blink- and WebKit-based Browsers like Chrome, Opera Next and Safari. Even though... Free Personal Mac OS X Windows Linux Android Microsoft Edge ... Chrome Opera Opera Next Chromium Firefox No features added Add a feature 72 Like
NinjaKit Yet another Greasemonkey available as Chome and Safari extension. Free Open Source Mac OS X Windows Linux Chrome Safari Google Chrome extension Safari extension Scripting Add a feature 1 Like
FreeStylerWs Styles and skins for all popular sites in the web FreeStyler is a browser add-on that has everything you might need to style up websites you visit according to your... Free Mac OS X Windows Linux Android Chrome OS ... Chrome Safari Opera Firefox Google Chrome extension Firefox extension Safari extension Add a feature 5 Like
Scriptify Create and manage add-ons made from Greasemonkey and Scriptish user scripts Free Open Source Windows Firefox Scripting Add a feature 3 Like
GreaseKit GreaseKit is a SIMBL plugin, that adds user scripting to Safari, Mailplane, Diet Pibb.app and all WebKit applications. Free Open Source Mac OS X Safari SIMBL Scripting Add a feature 1 Like
Site Connector Reuse data from one website on another. Try Site Connector, a fast and convenient productivity boosting extension. Free Mac OS X Windows Linux Chrome OS Chrome Google Chrome extension Scripting Add a feature 1 Like
