qutIM is free and open-source multiprotocol (ICQ, Jabber, Mail.Ru, IRC, VKontakte) instant messenger. Developed by Rustam Chakin & Ruslan Nigmatullin
License: Open Source
qutIM is a lightweight and customizable messaging client that supports multiple protocols, making it ideal for users seeking flexibility and performance. In contrast, Adium offers a more user-friendly interface and better integration with macOS features, but it is primarily designed for that platform.