Open Source Web Browsers

Privacy-centric, open-source browser with unique UI features like vertical tabs, Split View, and Zen Glance, focusing on security and tranquility.

Fast, secure browser with built-in ad block, privacy controls, and global tracking protections. Optimizes data, speed, and battery life.

This project is a custom and independent version of Firefox, with the primary goals of privacy, security and user freedom.

Chromium-based browser with preinstalled open-source blockers, default anti-tracking features, no data collection, full extension support, and a minimal interface.

Waterfox is an open-source, privacy-focused browser based on the popular open source browser with a red panda as a mascot. It is designed to be a drop-in replacement for said browser that offers enhanced privacy features, performance improvements, and customizability while...

Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

Open-source web browser built on Firefox, prioritizing privacy and anonymity while offering a Chromium-like interface, user customization, and robust tracking protection.

The Mullvad Browser is a privacy-focused web browser developed in a collaboration between Mullvad VPN and the Tor Project. It’s designed to minimize tracking and fingerprinting. You could say it’s a Tor Browser to use without the Tor Network.

Open-source browser project forming the codebase for other browsers, with strong security, stability, frequent updates, and wide platform compatibility.

Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.

Open-source browser disables Google integration and background services, increasing privacy, stripping binaries, and offering user control with full transparency.

Browser extension enabling one-click saving of full web pages with images, styles, and fonts as a single HTML file for offline access, annotation, and batch saving.

IronFox is a fork of DivestOS's Mull Browser based on Firefox. Our goal is to continue the legacy of Mull to provide a secure, hardened and privacy-oriented browser for daily use.

SponsorBlock is an open-source crowdsourced browser extension to skip sponsor segments in YouTube videos. Users submit when a sponsor happens from the extension, and the extension automatically skips sponsors it knows about.

Privacy Badger is a free browser extension made by the leading digital rights nonprofit EFF to stop companies from spying on you online.

The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank).

DownThemAll (or just dTa) is a powerful yet easy-to-use browser extension for Firefox, Chrome and Opera that adds new advanced download capabilities to your browser. DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your...

Cromite is a Chromium fork based on Bromite with built-in support for ad blocking and an eye for privacy.

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.

Browser using the Gecko layout engine to render web pages, which implements current and anticipated web standards.

Sync your bookmarks privately across browsers and devices.

An AI-powered proofreading tool supports over 20 languages, offering free and premium versions with extensive grammar checks across multiple apps.

Free software that downloads entire sites to local storage for offline use, maintaining the original link structure for seamless browsing.

Ladybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.

Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.