Open source Firefox alternatives

All Firefox alternatives

1. 

   

   LibreWolf

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   LibreWolf is a community-maintained fork of Firefox focused on privacy and user freedom. It removes telemetry and sponsored content, ships with uBlock Origin and hardened privacy settings, defaults to privacy-respecting search engines, and clears cookies and history on exit unless you change it. It is free and open source, available for Windows, macOS and Linux.

   7 LibreWolf alternatives

   Pros

   • Telemetry and sponsored content removed from Firefox
   • Ships with uBlock Origin and hardened privacy settings
   • Keeps compatibility with Firefox add-ons

   Cons

   • Strict defaults, such as clearing cookies on exit, need tweaking
   • Updates can arrive a little after official Firefox releases
   • No mobile version is available

   Cost / License

   FreeOpen source

   Categories

   Web Browsers

   Platforms

   WindowsMacLinux

   Features

   Built-in ad blockerPrivate browsingSupports extensionsTracker blocking

   Visit websiteMore about LibreWolf
2. 

   

   Zen Browser

   44.9KstarsLike

   Zen Browser is a free, open source browser built on Firefox that brings an Arc-style layout to the Gecko engine: vertical tabs in a sidebar, workspaces, split view, pinned essentials and a compact mode that hides the interface. It works with Firefox add-ons and Firefox Sync, and is developed by a volunteer community for Windows, macOS and Linux.

   7 Zen Browser alternatives

   Pros

   • Arc-style vertical tabs and workspaces on the Firefox engine
   • Split view and compact mode for a clean workspace
   • Works with Firefox add-ons and Firefox Sync

   Cons

   • Young volunteer-run project that still has rough edges
   • No mobile version is available

   Cost / License

   FreeOpen source

   Categories

   Web Browsers

   Platforms

   WindowsMacLinux

   Features

   Cross-device syncPrivate browsingSupports extensionsTab management

   Visit websiteMore about Zen Browser
3. 

   

   Brave

   4.8(662.7K) · App StoreLike

   Brave is an open source browser built on Chromium that blocks ads, trackers and fingerprinting by default through its Shields feature. It stays compatible with Chrome extensions on desktop and adds Brave Search, private windows with Tor, the Leo AI assistant and an opt-in rewards program based on privacy-preserving ads. A VPN and Leo Premium are offered as paid extras.

   12 Brave alternatives

   Pros

   • Blocks ads, trackers and fingerprinting by default
   • Compatible with Chrome extensions on desktop
   • Private windows with Tor built in

   Cons

   • Crypto wallet, rewards and other extras clutter the interface
   • Some sites break when Shields block their scripts

   Cost / License

   FreeOpen source

   Categories

   Web Browsers

   Platforms

   WindowsMacLinuxiPhoneAndroid

   Features

   AI assistantBuilt-in ad blockerCross-device syncPrivate browsingSupports extensionsTracker blocking

   Visit websiteMore about Brave
4. 

   

   Tor Browser

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   Tor Browser is a free, open source browser from the nonprofit Tor Project that sends your traffic through the volunteer-run Tor network, hiding your IP address from the sites you visit and your browsing from your network provider. Based on Firefox ESR, it isolates each site, resists fingerprinting by making users look alike, clears history on exit and can open .onion services.

   7 Tor Browser alternatives

   Pros

   • Hides your IP address by routing traffic through the Tor network
   • Fingerprinting resistance makes users look alike
   • Built-in access to .onion services

   Cons

   • Browsing is noticeably slower because of multi-relay routing
   • Many sites block Tor or show frequent CAPTCHAs
   • No official app for iPhone

   Cost / License

   FreeOpen source

   Categories

   Web Browsers

   Platforms

   WindowsMacLinuxAndroid

   Features

   Ad-freePrivate browsingTracker blocking

   Visit websiteMore about Tor Browser