Kopete is a multi-protocol, free software instant messaging client released as part of the KDE Software Compilation. Although it can run in numerous environments, it was designed for and integrates with the KDE Plasma Workspaces. Developed by kde.org
License: Open Source
Kopete is a versatile instant messaging client with strong KDE integration and support for multiple protocols, making it suitable for KDE users. In contrast, qutIM is a lightweight and fast multi-protocol client that prioritizes ease of use and cross-platform compatibility, catering to users looking for a straightforward messaging solution.