Ladybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.
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Open Source Firefox Alternatives for Linux
There are many alternatives to Mozilla Firefox for Linux if you are looking for a replacement. The best open source Linux alternative is Zen Browser. If that doesn't suit you, our users have ranked more than 100 alternatives to Mozilla Firefox and loads of them are open source and available for Linux so hopefully you can find a suitable replacement. Other interesting open source Linux alternatives to Mozilla Firefox are Brave, Tor Browser, LibreWolf and Helium Browser.
filter to find the best alternatives
Most Mozilla Firefox alternatives are Web Browsers, but you can also narrow the list to Ad Blockers or Email Clients. Other popular filters are iPhone, Kindle Fire, Mac, Linux and Android. You can also filter for EU-based alternatives if you prefer software from the European Union.
Alternatives list
- 67 Ladybird alternatives
Firefox Developer Edition brings you latest features, fast performance, and the development tools you need to build for the open web. Its powerful development tools will extend your ability to work across multiple platforms from one place.
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119 Deta Surf alternativesWorkspace 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.
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+9
198 SeaMonkey alternativesWeb-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
- Germany
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+3
74 Brave Origin alternativesMinimalist privacy browser offering ad-free browsing, no cryptocurrency features, and core Shields protection. Includes one-time activation for devices, supports ongoing updates, cross-platform use, and retains open-source, privacy, and security benefits.
- United States
201 Falkon alternativesFalkon, 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).
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148 Midori alternativesLightweight 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.
Chile
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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.
- United States
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FireDragon, derived from Floorp and based on Firefox ESR, integrates KDE through OpenSUSE patches. Includes Ublock Origin, a customizable sidebar, vertical tabs, and more.
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184 Iridium Browser alternativesIridium Browser is a free, open, and libre browser modification of the Chromium code base, with privacy being enhanced in several key areas.
- Germany
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189 GNOME Web alternativesGNOME Web is the web browser for the GNOME desktop, based on the popular WebKit engine. It offers a simple, clean, beautiful view of the Web featuring first-class GNOME desktop integration. Its code name is Epiphany.
- United States
+1
141 qutebrowser alternativesAn actively developed, keyboard-focused browser with a minimal GUI, inspired by other browsers/addons like dwb and Vimperator/Pentadactyl. It’s based on Python, PyQt5 and QtWebKit and free software, licensed under the GPL.
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