Alternative apps to Trillian for Mac:
Trillian for Mac Alternatives
Trillian is a multinetwork chat client that currently supports mIRC, AIM, ICQ, MSN, and Yahoo Messenger.
Trillian for Mac is a fully-featured IM and social client, with all the usual Trillian concepts you're accustomed to – connections, a connection manager, a contact list, tabbed chats – helping you easily migrate from Windows to Mac. At the same time, the design of Trillian for Mac respects the user interface of macOS, providing you with a seamless experience across your operating system. Read more.