Open Source Firefox Alternatives for Android

There are many alternatives to Mozilla Firefox for Android if you are looking for a replacement. The best open source Android alternative is Waterfox. If that doesn't suit you, our users have ranked more than 100 alternatives to Mozilla Firefox and many of them are open source and available for Android so hopefully you can find a suitable replacement. Other interesting open source Android alternatives to Mozilla Firefox are Chromium, Brave, Tor Browser and GNU IceCat.

filter to find the best alternatives

Mozilla Firefox alternatives are mainly Web Browsers, but if you're looking for Ad Blockers or Text to Speech Services you can filter on that. Other popular filters include iPhone, Kindle Fire, Mac, Linux, Integrated into iOS, Android and Android + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Mozilla Firefox.
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Alternatives list

  1. Waterfox icon
     442 likes

    Utilize Waterfox for a high-speed, private browsing experience on 64-bit systems. Built on Firefox, it taps into Intel's C++ compiler for optimal performance, supports legacy extensions, allows full customization, and blocks ads by default, ensuring utmost control and security.

    93 Waterfox alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • Flathub
     
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    23
  2. Chromium icon
     1150 likes

    Open-source browser project offering strong security, fast performance, and stability with broad support for Windows, macOS, Linux, and Android, extensive customization, frequent security updates, minimal default tracking, and foundation for multiple browsers.

    201 Chromium alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • TrueOS
    • Xfce
    • Flathub
    • Snapcraft
     
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    12
  3. Brave icon
     1232 likes

    Fast, secure browser integrating ad and tracker blockage, privacy features, and VPN. Offers seamless performance with data and battery optimization, faster loads by blocking pop-ups and ads. Safeguards user privacy with tracking protections and built-in brave search.

    259 Brave alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Flathub
    • Samsung Galaxy Store
    • Homebrew
    • Chocolatey
     
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    28
  4. Tor Browser icon
     1100 likes

    Experience true privacy online with a portable browser offering built-in proxy, encryption, and tracker blocking. Navigate without revealing location or browsing data, enjoying ad-free, secure surfing across platforms like Windows, Mac, Linux, and Android with no installation hassle.

    72 Tor Browser alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Flathub
    • OpenBSD
     
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    5
  5. GNU IceCat icon
     128 likes

    Gnuzilla is the GNU version of the Mozilla suite, and GNU IceCat is the GNU version of the Mozilla Firefox browser. Its main advantage is an ethical one: it is entirely free software.

    177 GNU IceCat alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Android
     
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    2
  6. IronFox icon
     64 likes

    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.

    79 IronFox alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
     
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    2
  7. Fennec F-Droid  icon
     105 likes

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

    204 Fennec F-Droid alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
     
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    2
  8. Cromite icon
     83 likes

    Cromite is a Chromium fork focusing on privacy, featuring built-in ad-blocking, user agent customization for privacy, DNS adjustments for security, and anti-fingerprinting measures to ensure user safety throughout browsing sessions.

    46 Cromite alternatives

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • Android
    • Android Tablet
    • F-Droid
     
  9. Privacy-focused open-source smartphone browser by DuckDuckGo blocks trackers, enforces encrypted connections, and provides a Privacy Grade. Partners with 'Terms of Service Didn't Read' and offers features like tabs, bookmarks, and autocomplete, keeping search data private.

    183 DuckDuckGo Browser alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
     
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    1
  10. Firefox Focus icon
     116 likes

    Firefox Focus is the Mozilla-made browser that considers your privacy first and foremost. By default, it blocks ad-trackers and it helps keep things secure by providing easy ways to clear your browsing history, including passwords and cookies.

    127 Firefox Focus alternatives

    Cost / License

    Application types

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Samsung Galaxy Store
     
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    1
  11. Midori icon
     258 likes

    Lightweight browser focused on privacy with ad and tracker blocking, integrated VPN and Tor browsing, customizable appearance modes, workspace management for tab organization, support for Windows, macOS, Linux, Android, iOS, and seamless content syncing.

    136 Midori alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
     
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    1
  12. Vanadium icon
     38 likes

    Privacy and security enhanced releases of Chromium for GrapheneOS. Vanadium provides the WebView and standard user-facing browser on GrapheneOS.

    90 Vanadium alternatives

    Cost / License

    Application type

    Platforms

    • Android
     
12 of 34 Mozilla Firefox alternatives