Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone. Heres how we do it: INSTANT MESSAGING: Your unique Trillian username can be used to send unlimited messages free of charge. INTEROPERABLE: Of course, Trillian wouldnt be Trillian without support for Facebook Chat, Google Talk, AIM, ICQ, and Jabber.