Greasemonkey compatible script manager for Chrome.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for websites and even customize Firefox and other programs themselves.
Violentmonkey, UserScript support for Opera, just like Greasemonkey for Firefox and Tampermonkey for Chrome.
Create and manage add-ons made from Greasemonkey and Scriptish user scripts
Yet another Greasemonkey available as Chome and Safari extension.
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