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 Windows Linux Android Microsoft Edge ... Chrome Opera Opera Next Chromium Firefox

Violentmonkey

Violentmonkey is a userscript manager to support running userscripts in web pages.

• Open source, supports many browsers. Guest • Nov 2018 • 1 agrees and 0 disagrees Disagree   Agree

Free Open Source Mac Windows Linux Chrome Maxthon ... Opera Firefox

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 Windows Linux Android Chrome OS ... Chrome Safari Opera Firefox

Ubiquity

A Mozilla Firefox extension, Ubiquity is a collection of quick and easy natural-language-derived commands that act as mashups of web services. Allowing users to get...

• Discontinued Doesn't exist anymore on "official" link. Last update reported on Wikipedia from 2012.

Free Open Source Mac Windows Linux Firefox

Shortwave

Shortwave is an extensible quick-search and shortcut bookmark. Drag the Shortwave bookmark onto your browser bookmarks bar. Clicking the bookmark will result in a...

Free Web

Scriptify

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

Free Open Source Windows Firefox

Site Connector

Reuse data from one website on another. Try Site Connector, a fast and convenient productivity boosting extension.

Free Mac Windows Linux Chrome OS Chrome

Man in the Middle

Firefox Extension: Man in the Middle NOTE: Some features in the compatible version for Chromium browsers doesn't work. See...

Free Open Source Mac Windows Linux Web UC Browser ... CentBrowser Chrome Yandex.Browser Opera Chromium Firefox

GreaseKit

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

Free Open Source Mac Safari SIMBL

Quix

Your Bookmarklets, On Steroids Quix is an extensible bookmarklet, that allows you to easily access all your bookmarks and bookmarklets, across all your browsers...

Free Web

Social Fixer

Social Fixer for Facebook plugs into your browser and improves the existing Facebook.com web site.

• It provides completely different functionality. Guest • Nov 2017 Disagree   Agree

Free Mac Windows Linux Web Chrome ... Safari Opera Greasemonkey Firefox

FaceFont

Facefont improves your daily use of Facebook. - Receive Facebook notifications directly in Firefox, - Select very easily the smileys you want to insert in your...

Free Windows Firefox