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
Finch is a user-friendly instant messaging client that supports multiple protocols and is known for its strong community support, making it ideal for casual users. In contrast, Kopete, being open-source, offers a wider array of features including video calls and better privacy options, but can be more complex for new users.