* [Progressive Web Apps for Firefox v2.20.1](https://github.com/filips123/PWAsForFirefox) – Installs, manages, and runs Progressive Web Apps in Firefox via a modified runtime, command-line tool, and browser extension.

* [Firefox GNOME theme v157.1](https://github.com/rafaelmardojai/firefox-gnome-theme) – CSS code to style Firefox to resemble GNOME's native applications.