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
Facebook Messenger is a feature-rich messaging app with a large user base, ideal for social interactions and multimedia sharing. In contrast, Kopete is an open-source, customizable messaging client that prioritizes privacy and supports multiple protocols, making it suitable for users seeking a lightweight, traditional chat experience.