Firefox AlternativesOnly apps from the EU

The best alternative to Mozilla Firefox is Pale Moon, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Mozilla Firefox and many of them are so hopefully you can find a suitable replacement. Other interesting alternatives to Mozilla Firefox are Zen Browser, Falkon, Mullvad Browser and Ladybird.

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Mozilla Firefox alternatives are mainly Web Browsers, but if you're looking for Ad Blockers or Note-taking Tools you can filter on that. Other popular filters include iPhone, Kindle Fire, Mac, Linux, Open Source, Android and Integrated into iOS. 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. Pale Moon icon

    Pale Moon

     400 likes

    This open-source Goanna-based browser for Windows, Linux, Mac, and FreeBSD offers customization, security, and privacy. Forked from Firefox, it's optimized for modern processors, ad-free, and supports unique extensions, community-backed. Comes with a functional status bar, supports NPAPI plugins.

    196 Pale Moon alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    Pale Moon screenshot 1
     
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    26
    Comments about Pale Moon as an Alternative to Mozilla Firefox
    Top Positive Comment
    pefado
    4

    Best Good Old Firefox! Pale Moon is the what Firefox should be!

    Top Negative Comment
    Michal D.
    3

    Cons:

    • as base is used a very old version of Firefox
    • bad user experience (interface)
    • an very old (and probably already unsupported) version of Sync
    • no support for modern plugins, extensions and themes
    Review by a new / low-activity user.
    quifom
    Positive
    0

    Good for working with dated web technologies or operating systems. Extensions are much easier to find, as they're based on old Firefox APIs.

    Review by a new / low-activity user.
    3 of 26 comments
    Pale Moon icon
    Pale Moon icon
    • Pale Moon is Free and Open SourceMozilla Firefox is also Free and Open Source
  2. Zen Browser icon

    Zen Browser

     287 likes

    Experience a privacy-focused, open-source browser rich with features like vertical tabs, Split View, Zen Glance, and extensive security protocols. Built on Firefox, it's currently in beta, emphasizing privacy and adaptability, with future plans for horizontal tabs.

    104 Zen Browser alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Arch Linux
    • Flathub
    • Flatpak
    Zen Browser screenshot 1
     
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    4
    Comments about Zen Browser as an Alternative to Mozilla Firefox
    Luca
    Positive
    3

    Firefox fork with a much improved GUI, inspired by Arc Browser

    Guest
    Positive
    4

    It's based on firefox , but with many more features .. But it can be a little buggy

    Review by a new / low-activity user.
    cosmospider
    Positive
    0

    It's a relatively new fork worth trying. It already has a sizeable community.

    3 of 4 comments
    Zen Browser icon
    Zen Browser icon
    • Zen Browser is Free and Open SourceMozilla Firefox is also Free and Open Source
  4. Falkon icon

    Falkon

     171 likes

    Falkon, formerly QupZilla, is a QtWebEngine based cross-platform web browser.

    It aims to be a lightweight web browser available through all major platforms.

    Falkon has all standard functions you expect from a web browser. It includes bookmarks, history (both also in sidebar).

    188 Falkon alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Flathub
    • Haiku
    • Snapcraft
    Falkon screenshot 1
     
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    4
    Comments about Falkon as an Alternative to Mozilla Firefox
    Kelson V
    Positive
    0

    Falkon's really fast even on low-end hardware. Add-ons are still really sparse though, and I haven't found a good way to sync bookmarks or connect it to KeePassXC yet.

    Centaro
    Negative
    1

    Its only ad-blocker stopped working on YouTube a while ago.

    Curuxa
    2

    It isn't really bad, but not a lot of add-ons and based con Qtweb (chromium). Not fingerprinting protection like Firefox but also no telemetry by default. It is ok, but it could be better.

    3 of 4 comments
    Falkon icon
    Falkon icon
    • Falkon is Free and Open SourceMozilla Firefox is also Free and Open Source
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  6. Mullvad Browser icon

    Mullvad Browser

     127 likes

    The Mullvad Browser is a privacy-focused web browser developed in a collaboration between Mullvad VPN and the Tor Project. It’s designed to minimize tracking and fingerprinting. You could say it’s a Tor Browser to use without the Tor Network.

    97 Mullvad Browser alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    • Mozilla Firefox
    Mullvad Browser screenshot 1
     
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    1
    Comments about Mullvad Browser as an Alternative to Mozilla Firefox
    dabockster
    0

    Not as overkill as Tor Browser, but still a bit hostile for everyday use.

    Mullvad Browser icon
    Mullvad Browser icon
    • Mullvad Browser is Free and Open SourceMozilla Firefox is also Free and Open Source
  7. Ladybird icon

    Ladybird

     56 likes

    Ladybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.

    57 Ladybird alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Linux
    Ladybird screenshot 1
     
    |
    1
    Comments about Ladybird as an Alternative to Mozilla Firefox
    luananeder
    Positive
    0

    It may not work completely well with modern web yet, but it's nice there's still someone working on an independent web browser out there. Everything else is just chromium or forks of firefox...

    Ladybird icon
    Ladybird icon
    • Ladybird is Free and Open SourceMozilla Firefox is also Free and Open Source
  8. Iridium Browser icon

    Iridium Browser

     93 likes

    Iridium Browser is a free, open, and libre browser modification of the Chromium code base, with privacy being enhanced in several key areas.

    171 Iridium Browser alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Iridium Browser screenshot 1
     
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    2
    Comments about Iridium Browser as an Alternative to Mozilla Firefox
    dabockster
    Negative
    1

    Too slow on security updates. Source code is hard to find.

    Guest
    Positive
    -1

    Best speed and best default privacy settings over all browsers

    Review by a new / low-activity user.
    Iridium Browser icon
    Iridium Browser icon
    • Iridium Browser is Free and Open SourceMozilla Firefox is also Free and Open Source
  10. Deta Surf icon

    Deta Surf

     19 likes

    Workspace fusing browsing, file management, and AI with local-first data; offers note-taking, applet creation, offline media storage, YouTube and PDF interaction, customizable AI-powered notes, citation tools, split views, sidebar navigation, and privacy features.

    41 Deta Surf alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Deta Surf screenshot 1
     
  11. K-Meleon icon

    K-Meleon

     123 likes

    K-Meleon is an extremely fast, customizable, lightweight web browser based on the Gecko layout engine developed by Mozilla which is also used by Firefox. K-Meleon is free, open source software released under the GNU General Public License and is designed specifically for...

    164 K-Meleon alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Gecko
    K-Meleon 76 on Windows 11
     
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    1
    Comments about K-Meleon as an Alternative to Mozilla Firefox
    jm0n3y
    Positive
    -1

    Need speed? Get K-Meleion. Fastest browser on this list by far. Written in C++. Supports most Firefox addons. Also has a really nice retro Netscape Navigator theme.

    Review by a new / low-activity user.
    K-Meleon icon
    K-Meleon icon
    • K-Meleon is Free and Open SourceMozilla Firefox is also Free and Open Source
  13. Otter Browser icon

    Otter Browser

     82 likes

    Web browser controlled by the user, not vice-versa.

    Otter Browser is a project aiming to recreate best aspects of classic Opera (12.x) UI using Qt5. Its primary objective is to become haven for power users that cannot stand what happened to Opera after ditching Presto engine. Ot.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Haiku
    Otter Browser screenshot 1
     
  15. SRWare Iron icon

    SRWare Iron

     188 likes

    SRWare Iron, or simply Iron, is a fork of the free and open-source web browser Chromium , of which Google Chrome is a fork of. Iron primarily aims to eliminate usage tracking and other privacy violating...

    171 SRWare Iron alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • PortableApps.com
    SRWare Iron screenshot 1
     
    |
    1
    Comments about SRWare Iron as an Alternative to Mozilla Firefox
    dabockster
    Negative
    0

    Not easy to find the source code for.

    SRWare Iron icon
    SRWare Iron icon
    • SRWare Iron is Free and ProprietaryMozilla Firefox is Free and Open Source
12 of 36 Mozilla Firefox alternatives