openstyles / stylus

Stylus - Userstyles Manager

black7375 / Firefox-UI-Fix

🦊 I respect proton UI and aim to improve it.

MrOtherGuy / firefox-csshacks

Collection of userstyles affecting the browser

0xCUB3 / wBlock

The next-generation ad blocker for Safari. Free and open source on macOS, iOS, iPadOS, and visionOS, with 750,000 rules, userscripts, userstyles, and an element zapper.

ZachSaucier / Just-Read

A customizable read mode web extension.

catppuccin / userstyles

🖌 Soothing pastel userstyles

Daniel130424 / Roblox-Legacy-Theme-Revival

Roblox Legacy Old Theme Revival 2026: Open-Source Classic UI Restore Kit