Collection

Open Source Web Browsers

icon of Zen Browser

Zen Browser

Zen Browser is a privacy-first open source browser built on Firefox with workspaces, split view, and a compact interface designed to reduce distraction. A focused alternative to Arc; MPL-2.0 licensed.

stars 41.6Klicense MPL-2.0lang JavaScript
icon of Tor Browser

Tor Browser

Tor Browser is an open source anonymity-first browser that routes all traffic through the Tor network to hide your identity and location. Built by The Tor Project nonprofit; free to use.

stars 857license MITlang Python
icon of Brave

Brave

Brave is a privacy-first Chromium-based browser with built-in ad blocking, tracker blocking, and fingerprinting protection that replaces Chrome without requiring extension installs. MPL-2.0 licensed.

stars 22.3Klicense MPL-2.0
icon of LibreWolf

LibreWolf

LibreWolf is a hardened Firefox fork with telemetry removed, strict tracking protection, and uBlock Origin pre-installed. A privacy-focused alternative to Firefox with no manual configuration required. MPL-2.0 licensed.

stars 250license MPL-2.0lang Shell
icon of Ladybird

Ladybird

Ladybird is an independent open source web browser built entirely from scratch with its own rendering engine, no code from Chrome or Firefox, and nonprofit governance. BSD-2-Clause and Apache-2.0 licensed.

stars 62.4Klicense BSD-2-Clauselang C++
icon of Midori Browser

Midori Browser

Midori Browser is a lightweight, privacy-focused web browser for Windows, Linux, and Android with built-in tracker blocking, DNS-over-HTTPS, and no telemetry collection. GPL-3.0 licensed.

stars 286license MPL-2.0lang JavaScript
icon of Falkon

Falkon

An open-source, lightweight web browser built on QtWebEngine, offering speed, built‑in ad‑blocking, and deep integration with KDE Plasma for users seeking a fast, configurable browsing experience.

stars 459license GPL-3.0lang C++
icon of Iridium Browser

Iridium Browser

A Chromium-based browser focused on privacy and security, offering enhanced protection without compromising compatibility.

stars 412license BSD-3-Clause
icon of K-Meleon

K-Meleon

K-Meleon is a lightweight Windows browser built on the Gecko engine with low RAM usage, macro customization, and support for older hardware. MPL 1.1 licensed.

stars 129lang C++
icon of Waterfox

Waterfox

A privacy-focused web browser engineered for speed, control, and peace of mind, offering built-in tracking protection and customization.

stars 5.7Klicense NOASSERTIONlang JavaScript
icon of Mullvad Browser

Mullvad Browser

It is developed with the Tor Project, minimizes tracking and fingerprinting, offering enhanced privacy when used with a VPN.

stars 2.2Klang Shell
icon of Firefox

Firefox

A free, open-source web browser focused on privacy, performance, and customization, backed by Mozilla's non-profit mission.

stars 3.7Klicense NOASSERTIONlang JavaScript