A port of modern Firefox to the Power Macintosh, supporting Mac OS X 10.4 and 10.5, with special features and optimizations for PowerPC processors and AltiVec. This project is not affiliated with nor supported by Mozilla in any way, and is not an official build. PowerPC forever!

This project is specifically for Mac OS X 10.4+. If you're looking for a browser for Mac OS 8.6-10.3, look at our sister project, Classilla.

Build changesets to apply to the Mozilla sources for 10.0.4 (stable) and 12.0 (unstable) are available. For details, see HowToBuildNow

Please do not report bugs unless you have tested them against the current version of Firefox. Bug reports that do not include comparison against standard Firefox will be marked invalid. Firefox 3.6 does not count. Only bugs that are different in TenFourFox relative to Firefox will be accepted. For layout bugs, please use a system that is not hardware accelerated. Because we realize that the point of TenFourFox is to facilitate access on Macs that can't run current versions of Firefox ordinarily, comparisons will be accepted to any Tier 1 platform, including Windows and Linux. Please follow the template; it will help guide you. This is being enforced to keep the worklist sane. Thanks for helping your unpaid volunteer maintainer(s) keep TenFourFox current.

Plugins, including Flash, are no longer supported and are disabled by default. Please do not file bugs on this; this policy will not change. See PluginsNoLongerSupported for explanations and workarounds.

Get quick answers to common questions from the TenFourFox Official FAQ, or see the rest of the TenFourFox Wiki

For end-user support, please post problems or questions to the TenFourFox Tenderapp page.

Visit our main page at www.tenfourfox.com

Read our blog at tenfourfox.blogspot.com