Google Chrome, Mozilla Firefox, Brave, Thunderbird, Tor Browser, Opera, Chromium, Vivaldi, Internet Explorer, Pidgin, Torch Browser, LibreWolf, BlueGriffon, Apollo Browser, Windows Live Mail, HexChat, SlimBrowser, Cyberfox, Trojitá, Empathy, MetaCert, KVIrc, AndroIRC, ZeroChat, Liferea, Betterbird, Kiwi IRC, Android Browser, I-N-V-I-S-I-O-N, Mypal, LimeChat, Chedot Browser, AOL Desktop, Odyssey Web Browser, Jumanji, Armorfly, CyberGhost Private Browser, GNOME Contacts, uzbl, Mibbit, WeeChat, Colloquy, IRCCloud, Glowing Bear, irssi, TouchMail, Maid-IRC, Convos, 360 Browser, Simple Mail, Coowon browser, Atomic IRC, Konversation, Eolie, WebIRC, Mailbox for Zoho, xombrero, Chatzilla, AdiIRC, Mixtags, HoloIRC, 1stBrowser, Linkinus, Inspire Leopard, Tiny Tiny IRC, Boat Browser, Clyton, Icedove-UXP, XChat for Windows, CXM Web, relay.js, jsIRC, Kazehakase, Hydra Browser, Superbird, Speedy Browser, Qwebirc, jakeIRC, CometBird, OperAnk, Smuxi, Nettalk, Docler Browser, Lotus Web Browser, wsIRC, Iceweasel-UXP, Greenbrowser, CGI:IRC, NetGroove, Beamrise, OmniWeb, MegaIRC, HydraIRC, Galeon, GainTools Cloud Importer, Wyzo, Orca Browser, Hextor, Tunnel Browser, Camino, Gnotty, Usejump, AllInOneBrowser, leafChat, Arora, Spark Security Browser, Srain, LostIRC, TheWorld Browser are some alternatives to SeaMonkey.