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.

GNU TeXmacs is a free scientific word processor and typesetting component of the GNU Project.

GNUnet is a free software framework for decentralized, peer-to-peer networking and an official GNU package.

Element Hiding Helper for Adblock Plus a helper extension for Adblock plus extension.