ChatZillaDownload ChatZilla from Add-ons ChatZilla works on the latest versions of SeaMonkey and the Mozilla Suite and versions of Mozilla Firefox up to 56. ChatZilla does not work in Firefox 57 (Firefox Quantum). ChatZilla is a clean, easy to use and highly extensible Internet Relay Chat (IRC) client, built on the Mozilla platform, which provides all the usual features: multiple servers, a built-in list o
