oom333 / zen-tab-groups

Zen browser mod: pulls tabs from your chosen sites to the top of the sidebar under colored, collapsible headers.

filips123 / PWAsForFirefox

A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox

CosmoCreeper / Sine

The ultimate theme manager for Firefox-based browsers.

FirefoxCSS-Store / FirefoxCSS-Store.github.io

A collection site of Firefox userchrome themes, mostly from FirefoxCSS Reddit community.

aminought / firefox-second-sidebar

A Firefox userChrome.js script that brings a second sidebar with web panels like in Vivaldi/Edge/Floorp but better.

alice0775 / userChrome.js

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