GNU IceCat, formerly known as GNU IceWeasel, Ice Weasel is a free software rebranding of the Mozilla Firefox web browser distributed by the GNU Project. Developed by The GNU Project
License: Open Source
GNU IceCat is focused on user privacy and customizability, built on Firefox, while Iridium emphasizes security and performance based on Chromium. Both are privacy-centric browsers, but they target different user needs and preferences.