MobaXterm Free X server for Windows with tabbed SSH terminal, telnet, RDP, VNC, Xdmcp, Mosh and X11-forwarding. Portable or installer version.
SecureCRT & SecureFX Download – VanDyke Software Secure Clients and Servers - VShell SSH Server, SecureCRT SSH client, SecureFX secure file transfer client, ClientPack command-line utilities