mozilla-firefox/firefox

mozilla-firefox/firefox has 13,731 GitHub stars and 1,743 forks. GitHot measured +3 stars in 24 hours. Last checked 2026-11-05 21:09 UTC. Last push 2026-11-04.

How these counts are measured

The official repository of Mozilla's Firefox web browser.

13,731 stars 1,743 forks +3 in 24h

Measured star growth

in 24h: +3
in 7 days: Collecting history
in 15 days: Collecting history
in 1 month: Collecting history

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

Original

Firefox is a fast, reliable and private web browser from the non-profit Mozilla organization.

Contributing

To learn how to contribute to Firefox read the Firefox Contributors' Quick Reference document.

We use bugzilla.mozilla.org as our issue tracker, please file bugs there.

Resources

Firefox Source Docs is our primary documentation repository
Nightly development builds can be downloaded from Firefox Nightly page

If you have a question about developing Firefox, and can't find the solution on Firefox Source Docs, you can try asking your question on Matrix at chat.mozilla.org in the Introduction channel.

Explore related projects

freeCodeCamp/freeCodeCamp

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

458,610 stars

donnemartin/system-design-primer

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

376,978 stars

react/react

The library for web and native user interfaces.

252,020 stars

vuejs/vue

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

212,505 stars