Trillian supports all popular messengers such as ICQ, AIM, Windows Live Messenger, Yahoo! Messenger, MSN, IRC and Gaim in text and audio chatting. One also different skins, smileys, sounds and symbols to beautify the user interface are available. For each Trillian Messenger for clarity are highlighted (blue for the Windows Live Messenger, red for Yahoo!, Green for ICQ, AIM orange and white for IRC). In the Pro version, there are proportionately more colors for more Messenger. This one also has the ability to use several parallel profiles, while the single login for each network separately stored encrypted and provided in the absence of incoming messages with a timestamp. The program integrated into the Instant Lookup allows immediate lookup of individual words from the chat in the online encyclopedia Wikipedia, with the consultancy given entries are automatically linked. It also has the ability to click with the right mouse button to speak and assemble so that search engines in the browser.