Firefox Developer Edition features the latest changes and development tools you need to build for the web. Available for Windows, Linux, and Mac.

Basilisk is a Firefox-like web browser originally from the Pale Moon team (now taken on by independent developers) is based on the Goanna (Gecko) layout and rendering engine.

Mozilla Firefox Beta is a fast, free, Open Source web browser that provides a highly customizable interface with numerous third-party add-ons and multiple Mozilla-authored add-ons. Firefox Final is also available.

LibreWolf is a unique web browser built upon the Firefox platform that strongly emphasizes safeguarding users' privacy, security, and freedom.

Mozilla Firefox Portable is the PortableApps version of Mozilla Firefox, allowing you to take your Firefox browser with you wherever you go, preserving all your settings, add-ons, and more. Installer, Linux, and Mac versions are also available.

Mozilla Firefox is a fast, free, Open Source web browser that provides a highly customizable interface with numerous third-party add-ons and multiple Mozilla-authored add-ons. The current Beta version and a portable version are also available.

The SeaMonkey project, now in portable form via PortableApps, is a community effort to develop further the SeaMonkey all-in-one internet application suite made popular by Netscape and Mozilla. Available for Linux, Mac, and as an installer.

The SeaMonkey project is a community effort to develop further the SeaMonkey all-in-one internet application suite made popular by Netscape and Mozilla. A portable version is also available.

Pale Moon is a fast and stable Open Source alternative to the standard Firefox browser.

Mullvad Browser is an innovative collaboration between Mullvad VPN and the Tor Project that aims to provide users with an enhanced level of protection against tracking and fingerprinting while browsing the internet.

Mozilla Firefox ESR (Extended Support Release) is a long-term support build of Firefox, updated roughly every 42 weeks for major changes and every 4 weeks for minor changes. Portable version is also available.

Mozilla Firefox ESR (Extended Support Release) Portable (Legacy) is a long-term support build of Firefox, updated roughly every 42 weeks for significant changes and every 4 weeks for minor changes. Installer, Linux, and Mac versions are also available.

Experience the innovation of Floorp, an advanced web browser built on the powerful foundation of Firefox.

Mozilla Firefox ESR Portable (Extended Support Release) is a version of the Mozilla Firefox web browser designed for use in organizations and enterprises. Installers, Linux, and Mac are also available.

Tor Browser Bundle protects your privacy and defends you against network surveillance and traffic analysis. 64-Bit version available here.

Tor Browser Bundle protects your privacy and defends you against network surveillance and traffic analysis. 32-Bit version available here.

Mozilla Firefox ESR (Extended Support Release) is a version of the Mozilla Firefox web browser designed for use in organizations and enterprises. Mozilla Firefox ESR Portable is also available.

Waterfox provides you with a high-performance Open Source 64-Bit version of Mozilla Firefox. Waterfox Portable via Portapps.io is also available.

Waterfox Portable delivers a high-performance, Open Source 64-bit version of Mozilla Firefox designed for Windows operating systems. This version is optimized for 64-bit systems to enhance users' speed and efficiency. Waterfox installer is also available.

K-Meleon is a speedy, customizable, lightweight web browser based on the Gecko layout engine developed by Mozilla.

MZCacheView is a small free utility that reads the cache folder of Firefox/Mozilla/Netscape Web browsers and displays the list of all files currently stored in the cache.

Mozilla Firefox 131.x is a fast, free, and Open Source web browser that provides a highly customizable interface with numerous third-party add-ons and multiple Mozilla-authored add-ons.

Mozilla Firefox 130.x is a fast, free, and Open Source web browser that provides a highly customizable interface with numerous third-party add-ons and multiple Mozilla-authored add-ons.

Mozilla Firefox 129.x is a fast, free, and Open Source web browser that provides a highly customizable interface with numerous third-party add-ons and multiple Mozilla-authored add-ons.

Mozilla Firefox 128.x is a fast, free, and Open Source web browser that provides a highly customizable interface with numerous third-party add-ons, and multiple Mozilla-authored add-ons.