PWAsForFirefox helps users install, manage, and use Progressive Web Apps in Mozilla Firefox.
The Best Firefox Alternatives in 2026
Looking for something like Firefox? Here are 5 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 2 are open source.
Mozilla's official repository contains the source code for Firefox, a web browser with builds for Windows, macOS and Linux.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | PWAsForFirefox | Free | Not stated | Browser extension |
| 2 | Betterfox | — | Yes | — |
| 3 | Firefox Multi-Account Containers by Firefox | — | Not stated | — |
| 4 | Firefox CSS Hacks | — | Yes | Linux, Windows |
| 5 | Firefox | — | Not stated | Browser extension, Web |
All Firefox alternatives
Betterfox provides Firefox about:config preference tweaks and user.js settings intended to adjust privacy, security, and performance.
Firefox Multi-Account Containers by Firefox
addons.mozilla.org/en-US/firefox/addon/multi-a…Firefox Multi-Account Containers separates parts of a user's online activity into distinct containers within Firefox.
Firefox CSS Hacks collects user stylesheets for changing the appearance of Mozilla Firefox.
Firefox
addons.mozilla.org/en-US/firefox/addon/code-fi…The CatalyzeX Firefox extension helps find code implementations for research papers across search and research sites.
Alternatives to similar tools
What is the best alternative to Firefox?
Is there a free alternative to Firefox?
Are there open-source alternatives to Firefox?
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative




