Cost / License
- Free
- Open Source
Platforms
- Mozilla Firefox


VivaldiFox is the most popular Open Source & free alternative to ShadowFox.
- VivaldiFox is Free and Open Source
ShadowFox is described as 'This project aims at creating a universal dark theme for Firefox while adhering to the modern design principles set by Mozilla' and is an app in the web browsers category. There are six alternatives to ShadowFox for a variety of platforms, including Windows, Linux, Mozilla Firefox, Mac and Flathub apps. The best ShadowFox alternative is VivaldiFox, which is both free and Open Source. Other great apps like ShadowFox are Add Water, Geckium, Stratiform and Night Owl (Firefox Theme).


VivaldiFox is the most popular Open Source & free alternative to ShadowFox.
A utility app to easily install the GNOME for Firefox Theme and automatically update it in the background. This theme keeps Firefox fashionable within the GNOME design ecosystem, and provides many helpful features to customize the interface to make browsing even more pleasant:




Add Water is the most popular Linux alternative to ShadowFox.
Geckium is a Mozilla Firefox (115 - latest) CSS and JS modification that restores the look and feel of past Chromium (or Google Chrome) releases, spanning from 1.



Geckium is the most popular Windows & Mac alternative to ShadowFox.
Stratiform is the ultimate user friendly customization add-on for Firefox. It puts the power in the average user's hands to customize the browser's look.







Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.