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 highly customizable messaging application that supports multiple protocols, making it ideal for users with technical knowledge. Gaption, on the other hand, offers a user-friendly interface and robust integration options, making it suitable for teams looking for real-time collaboration.