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
Royal TS offers a graphical interface with support for various protocols, making it user-friendly and suitable for managing multiple remote connections. In contrast, OpenSSH is a powerful command-line tool focused on secure SSH connections, appealing to advanced users who prefer a more configurable and open-source solution.