OpenSSH is the premier connectivity tool for remote login with the SSH protocol. It encrypts all traffic to eliminate eavesdropping, connection hijacking. Developed by Theo de Raadt
License: Open Source
KiTTY provides a user-friendly GUI and session management features, making it suitable for casual users and those who prefer visual interfaces. In contrast, OpenSSH is a powerful command-line tool favored by developers and system administrators for its security, flexibility, and extensive feature set.