MobaXterm, mRemoteNG, Termux, SecureCRT, Xshell, OpenSSH, Tera Term, Termius, HyperTerminal, PowerShell, Tabby Terminal, Superputty, KiTTY, MSYS2, PAC Manager, HTerm, JuiceSSH, ClusterSSH, Vinagre, Solar-PuTTY, Gnome Connection Manager, ZOC, ConnectBot, cPuTTY 2, mRemote3G, Termite, Blink Shell, Putty for Mac, superconsole, Asbru Connection Manager, tilda, dterm (terminal emulator), WindTerm, MacTerm, Terminals, RXVT, csshX, moserial, TTYEmulator, Make Batch Files, OpenSSH for Windows, Tectia SSH Client, gow, NetTerm, PuTTY Tray, SSH Terminal Emulator, ExtraPuTTY, dRemote, WinSSHTerm, SmarTTY, ShellCraft, MyEnTunnel, Sakura, FireSSH, mintty, SSH Explorer, Fluent Terminal, SmartCode VNC Manager, Doffen SSH Tunnel, PenguiNet, CMD++, secpanel, Poderosa, z/Scope, rxvt-unicode, ToolPakCloud, GSW ConnectBot, QuTTY, MacTelnet, AutoPuTTY, Pocketputty, FireCMD, wsl-terminal, Qonsole, PieTTY, evilvte, Axessh, SSH Cryptonaut, RDPDesk, SSH Tunnel Manager (STM), Token2Shell, mrxvt, AbsoluteTelnet are some alternatives to PuTTY.