Arctic Fox

Arctic Fox is a of the Firefox web browser for Mac OS X 10.6 (Snow Leopard), which is no longer supported by Apple nor the Mozilla Foundation. It is available in Intel binaries, avoiding the use of Rosetta, which significantly degraded the performance of legacy PowerPC browsers, such as TenFourFox for Mac OS X 10.4 (Tiger).

Description
Arctic Fox uses the open source  from, itself a  of Firefox. Development started from Palemoon 27.9.4 and supported aging operating systems, such as Mac OS X 10.6 to 10.8.5, Linux for PowerPC, and Windows XP. The Intel binaries are available in 32-bit for legacy plugin support (such as ), or 64-bit for improved performance. Switching to a mobile is recommended for resource-heavy sites that utilize JavaScript.

History
Arctic Fox for Mac OS X 10.6 was first announced by a developer identified as "wicknix" in August 2018. A with PowerPC support for Mac OS X 10.5 (Leopard) was revealed in March 2019. Development of more recent builds has also been handled by Ricardo Mottola.