The tor-browser repository is based on Mozilla Firefox.
[Firefox](https://firefox.com/) is a fast, reliable and private web browser from the non-profit [Mozilla organization](https://mozilla.org/).
See the following wiki links for more information:
### Contributing
To learn how to contribute to Firefox read the [Firefox Contributors' Quick Reference document](https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html).
We use [bugzilla.mozilla.org](https://bugzilla.mozilla.org/) as our issue tracker, please file bugs there.
### Resources
*[Firefox Source Docs](https://firefox-source-docs.mozilla.org/) is our primary documentation repository
* Nightly development builds can be downloaded from [Firefox Nightly page](https://www.mozilla.org/firefox/channel/desktop/#nightly)
If you have a question about developing Firefox, and can't find the solution
on [Firefox Source Docs](https://firefox-source-docs.mozilla.org/), you can try asking your question on Matrix at
chat.mozilla.org in the [Introduction channel](https://chat.mozilla.org/#/room/#introduction:mozilla.org).
