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
Xshell is a commercial SSH client known for its user-friendly interface and advanced session management features, making it ideal for Windows users. In contrast, OpenSSH is an open-source tool that offers strong security and cross-platform support but may require more technical expertise to use effectively.