Finch is a console-based IM program that lets you sign on to AIM, Jabber, MSN, Yahoo!, and other IM networks. It runs on Unixes. It uses GLib and ncurses.
License: Open Source
Finch excels in providing robust security features, including end-to-end encryption and an open-source platform, making it suitable for privacy-focused users. In contrast, ChatSecure offers standard messaging capabilities without the same level of encryption, catering to users looking for a more traditional messaging experience.