MobaXterm Free X server for Windows with tabbed SSH terminal, telnet, RDP, VNC, Xdmcp, Mosh and X11-forwarding. Portable or installer version.
IObit High-performing software products to speed up computer, fix & clean registry and malware, optimize PC games, tune up Windows 10, Windows 8, Windows 7, Vista, XP, etc.
PuTTY PuTTY is a free implementation of SSH and Telnet for Windows and Unix platforms, along with an xterm terminal emulator.
SecureCRT VanDyke Software: Secure Shell Solutions - Secure File Transfer, Secure Terminal Emulation, SSH, SSH2, SFTP, FTP