KMail is the email component of Kontact, the integrated personal information manager from KDE. Developed by KDE
License: Open Source
KMail, part of the Kontact suite, is an open-source email client with strong customization and privacy features, suitable for users who prefer a tailored experience. In contrast, Microsoft Mail and Calendar offers seamless integration within the Windows ecosystem, presenting a user-friendly interface and robust calendar functionalities, making it ideal for users who rely heavily on Microsoft services.