Top 7 Open-Source Alternatives to NightOwl

Product categories

Browser Extension Browsing Experience Communication Dark Mode Design Tools Developer Tools Group Chat & Notifications Monitoring Tools Recruitment Web Browsers

Summary

The top open-source alternatives to NightOwl are Dark Reader, ShadowFox, and VivaldiFox. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Dark Reader Landing Page
1

Dark Reader

Reduce eye strain in your browser with this extension that provides a dark theme for browsing.
Pricing:
- Open Source
#Browser Extension #Dark Mode #Developer Tools 183 social mentions
ShadowFox Landing Page
2

ShadowFox

This project aims at creating a universal dark theme for Firefox while adhering to the modern...
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Browser Extension
VivaldiFox Landing Page
3

VivaldiFox

An add-on that allows colouring Firefox in a Vivaldi style fashion
Pricing:
- Open Source
#Communication #Web Browsers #Group Chat & Notifications
midnight-lizard.org
4

Midnight Lizard

Accessible color schemes for all websites
Pricing:
- Open Source
#Browser Extension #Dark Mode #Browsing Experience
Stylus Landing Page
5

Stylus

EXPRESSIVE, DYNAMIC, ROBUST CSS
Pricing:
- Open Source
#Developer Tools #Browser Extension #Dark Mode 11 social mentions
firefox.com
6

Firefox Color

Build Beautiful Firefox Themes
Pricing:
- Open Source
#Communication #Browser Extension #Web Browsers 66 social mentions
Stylebot Landing Page
7

Stylebot

Change the appearance of websites instantly. Preview and install styles created by other users on stylebot.me
Pricing:
- Open Source
#Browser Extension #Developer Tools #Dark Mode 14 social mentions