List of Firefox Based Browsers

π¦ Major Browsers Using Firefox Technology
Mozilla Firefox β The main browser developed by Mozilla Foundation, using the Gecko (and now Quantum) engine.
Waterfox β Based on Firefox; focuses on speed and privacy.
Pale Moon β Forked from older Firefox code; lightweight and customizable.
Basilisk β From the makers of Pale Moon; uses the Unified XUL Platform (UXP), derived from Mozilla code.
Tor Browser β Built on Firefox ESR (Extended Support Release); designed for anonymity and privacy using the Tor network.
IceCat (GNU IceCat) β Free and open-source Firefox variant by GNU; removes non-free components and telemetry.
SeaMonkey β Successor to the old Mozilla Application Suite; includes browser, email, and HTML editor.
K-Meleon β Lightweight browser based on Gecko, designed for Windows.
Iceweasel β Debianβs rebranded Firefox (for licensing reasons; now replaced by Firefox ESR).
CometBird β Firefox-based browser (no longer maintained).
π Other Firefox/Gecko-Based Browsers
These are lesser-known but still Mozilla-based:
11. LibreWolf β Privacy-focused fork of Firefox; removes telemetry and adds security tweaks.
12. TenFourFox β Port of Firefox for older PowerPC Macs.
13. Falkon (earlier QupZilla) β Originally Gecko-based, later moved to QtWebEngine.
14. Swiftfox / Swiftweasel β Optimized builds of Firefox for better performance (discontinued).
15. FireDragon β Maintained by Garuda Linux; privacy-hardened fork of Firefox.
π± Mobile Browsers Using Mozilla Technology
Firefox for Android (Fenix) β Official Mozilla mobile browser using GeckoView.
Firefox Focus β Lightweight, privacy-oriented mobile browser from Mozilla.
Tor Browser for Android β Based on Firefox + GeckoView.
Waterfox for Android β In development (beta builds available).