OpenUserCSS Alternatives
OpenUserCSS is described as 'A website housing a collection of themes that change how other websites look' and is an website in the Web Browsers category. There are three alternatives to OpenUserCSS, not only websites but also apps for a variety of platforms, including Firefox, Google Chrome, Linux, Mac and Safari. The best alternative is Dark Reader, which is both free and Open Source. Other great sites and apps similar to OpenUserCSS are FreeStylerWs (Free) and UserStyles.org (Free).
- This eye-care extension enables night mode creating dark themes for websites on the fly. Dark Reader inverts bright colors making them high contrast and easy to read at night.
- Free • Open Source
- Mac
- Windows
- Linux
- Google Chrome
- Safari
- Thunderbird
- Firefox
Dark Reader vs OpenUserCSS opinions
This isn't a place to find custom themes. This automatically generates a dark theme for any website, not user made content. - Styles and skins for all popular sites in the web.
- Free • Proprietary
- Mac
- Windows
- Linux
- Android
- Chrome OS
- Google Chrome
- Safari
- Opera
- Firefox
- Customize any website to your color scheme in 1 click, thousands of user styles with beautiful themes, skins & free backgrounds.
Discontinued
UserStyles.org has been discontinued and is no longer maintained.
Warning
Removed from browser extension stores for stealing user data. See https://arstechnica.com/information-technology/2018/07/stylish-extension-with-2m-downloads-banished-for-tracking-every-site-visit/