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 lightweight and user-friendly instant messaging client with basic functionalities, particularly suited for users who need simple messaging across multiple protocols. In contrast, Miranda NG offers a more robust feature set, including voice and video calls, but may require more setup and can be more resource-intensive.