Gajim is an instant messaging client for the XMPP protocol which uses the GTK+ toolkit. Developed by Gajim Team
License: Open Source
Finch is a user-friendly messaging app that offers voice and video calls along with a rich plugin ecosystem, making it suitable for casual users. In contrast, Gajim is an open-source application that emphasizes security and advanced features, making it ideal for users who prioritize privacy and customization.