Beeper, Pidgin, FaceFlow, Tango, Camfrog, Adium, Dasher Messenger, Coccinella, XendApp, Meebo, Quassel IRC, Chatzy, Google Voice and Video Chat, Paltalk, AndroIRC, Openfire, Microsoft Lync, Tencent QQ, Miranda NG, Nimbuzz, Output Messenger, Gajim, Messenger for Desktop, Miranda IM, Google Allo, Fring, LimeChat, Silent Phone, ooVoo, iChat, Mixsii, WowApp, AndChat, Digsby, Psi+, Firefox Hello, Atomic IRC, Instantbird, Pickapp, Menu Tab Pro for Facebook, Revolution IRC Client, Brosix, Chat Rooms, Quickchat, Kopete, We-Talk, BuddyTalk Instant Messenger, Bleep, Isotoxin, shMessenger, HoloIRC, BitlBee, Tiny Tiny IRC, Beagle IM, CenterICQ, Stack.app, OpenWhatsapp, CenterIM, GYachI, Jaconda, Hemlis, Indoona, Photo4Tune, MetroIRC, Jabiru, Boogie Chat, Crosstalk, Kaiwa, Iwantim, Bistri, OctroTalk, Spotbros, OneTeam, PingPal Messenger, TurboIRC, IETF Jitsi, Lemon Group Messenger, FireFloo Communicator, TokBox, Minbif, Hg10, Pidgin on MacOSX, qutIM, Fast Food Stickers For iMessage, QuasselDroid, Yaaic, 1click.io, Kaidan, GAM Messenger, LiveProfile, SeaFour.club, GlobalMeet are some alternatives to Trillian.