Berkeley r-commands R-tools Remote Shell PuTTY Synchronet Symlink race MKS Toolkit X-Win32 SecureCRT ZOC (software) Ettercap (software) Mystic BBS DSniff Pseudoterminal Application layer Telnet IP address spoofing Secure Shell PRIMOS Expect OpenSSH Automounter Terminal emulator POSIX terminal interface Line Mode Browser Microsoft Open Specification Promise DECserver Discworld MUD TkWWW Comparison of file transfer protocols DNIX VxWorks FidoNet List of terminal emulators List of GNU packages Comparison of SSH clients List of server-side JavaScript implementations Linux From Scratch List of TCP and UDP port numbers