The home of FOSS user scripts.
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Updated
Apr 22, 2026 - JavaScript
The home of FOSS user scripts.
NooBoss is an extension that handles your extensions like a boss!
Customize remote websites. This extension injects your Javascript- or CSS-based modifications on every visit. Also supports URL rewriting using regular expressions.
Userscript manager which based on Github Gist
CodeTweak is a lightweight, user script manager and editor. Designed to be a modern version of tampermonkey and to support manifest v3 unlike violent monkey.
A simple tool to manage userscripts (and userstyles)
An open source user scripts repo built using Node.js
A cross-platform userscript manager based on mitmproxy, designed to support any browser or web view, including those that are old, obsolete, and unsupported for installing extensions.
Lightweight local server for developing and testing userscripts with auto versioning & easy updates.
A professional text highlighter userscript with glassmorphism design, persistent state management, and full cross-platform support for desktop and mobile browsers.
Userscripts I made over the years, and used to be up on userscripts.org
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