Firefox
From Hack Sphere Labs Wiki
Debian
Iceweasel is a fork [from Firefox] with the following purpose : 1. backporting of security fixes to declared Debian stable version. 1. no inclusion of trademarked Mozilla artwork (because of #1 above) http://wiki.debian.org/Iceweasel http://lists.debian.org/debian-devel/2006/10/msg00665.html