* [uBlock Origin (uBO) 1.74.0](https://github.com/gorhill/uBlock) – CPU and memory-efficient content blocker for Chromium and Firefox that blocks ads, trackers, and other unwanted content.

* [Floorp Browser v12.17.0](https://github.com/Floorp-Projects/Floorp) – Browser focused on maintaining an open, private, and sustainable web, based on Mozilla Firefox.

* [MetaMask Browser Extension v13.45.0](https://github.com/MetaMask/metamask-extension) – Browser extension for interacting with Ethereum blockchain enabled websites.

* [Browserless v2.56.0](https://github.com/browserless/browserless) – Remote execution of headless browsers in Docker with support for Puppeteer and Playwright.

* [Translate Web Pages v10.2.1.0](https://github.com/FilipePS/Traduzir-paginas-web) – Real-time page translation using popular services.

* [Progressive Web Apps for Firefox v2.19.0](https://github.com/filips123/PWAsForFirefox) – Installs, manages, and runs Progressive Web Apps in Firefox via a modified runtime, command-line tool, and browser extension.

* [Adaptive Tab Bar Colour v4.1.0](https://github.com/easonwong-de/Adaptive-Tab-Bar-Colour) – Firefox add-on that changes the theme color to match the website's appearance.

* [Browsertime v28.3.0](https://github.com/sitespeedio/browsertime) – Powerful Node.js tool for measuring and optimizing web performance.

* [Playwright v1.62.1](https://github.com/microsoft/playwright) – Framework for web testing and automation across multiple browsers with a single API.

* [Tree Style Tab 4.4.3](https://github.com/piroor/treestyletab) – Extension for Firefox that organizes tabs in a tree structure for better management.

* [detectIncognito.js v1.9.0](https://github.com/Joe12387/detectIncognito) – JavaScript library for detecting incognito and private browsing modes in various modern browsers.

* [cat-catch 2.7.2](https://github.com/xifangczy/cat-catch) – Browser extension for resource sniffing in web applications.

* [mtab v1.12.8](https://github.com/maxhu08/mtab) – Configurable new tab extension that allows customization of wallpapers, bookmarks, and animations.

* [Zen Browser 1.21.15b](https://github.com/zen-browser/desktop) – Privacy-focused browser that blocks trackers and ads for a better browsing experience.

* [Opera-GX Theme for Firefox Css v.12.0](https://github.com/Godiesc/firefox-gx) – Theme for users who love the Opera GX skin, ensuring full compatibility with the stable version of Firefox.

* [RESTer 4.15.1](https://github.com/frigus02/RESTer) – REST client for almost any web service, available as Firefox and Chrome extensions.

* [Firefox Profiler profiler-cli-v0.7.0](https://github.com/firefox-devtools/profiler) – Client-side web app that visualizes browser performance profiles recorded by Gecko Profiler or other JSON output profilers.

* [SyncNos v1.9.2](https://github.com/chiimagnus/SyncNos) – Browser-based web clipper that captures AI chats, web articles, and video transcripts locally, then syncs or exports them to Notion, Obsidian, Feishu, Markdown, or Zip.

* [WaveFox 0.6.155](https://github.com/QNetITQ/WaveFox) – Firefox theme for manual customization with various visual options.

* [Streaming enhanced v.1.1.105](https://github.com/Dreamlinerm/Netflix-Prime-Auto-Skip) – Automatically skip ads, intros, recaps and credits across major streaming services.

* [RYS Remove YouTube Suggestions v4.3.82](https://github.com/lawrencehook/remove-youtube-suggestions) – Browser extension to hide recommendations, customize YouTube's interface, and reduce algorithmic distractions.

* [Cookie auto decline 7.6](https://github.com/JobcenterTycoon/cookie-auto-decline) – Browser extension that automatically declines cookie consent banners by clicking decline or setting required cookies in the background.

* [Quantum Nox Firefox Customizations FF155](https://github.com/Izheil/Quantum-Nox-Firefox-Customizations) – Firefox tweaks providing multi-row tabs, context menu and UI customizations via userChrome/CSS and JS installers.

* [Phoenix 2026.08.17.1](https://github.com/celenityy/Phoenix) – Suite of configurations and advanced modifications for Mozilla Firefox that prioritize privacy, security, freedom, functionality, and usability.