Putty for Mac Alternatives

SSH Tunnel Manager is a macOS application to manage your SSH tunnels. If you don't know what that is, quite honestly, maybe you don't need SSH Tunnel Manager, but if you appreciate the power of connecting together two networks using the SSH protocol, then STM is for you.

Based on rxvt. Tabbed interface. Very lightweight. Few dependencies. Only drawback is poor unicode support (theres an SVN branch with working but slightly buggy support)

AbsoluteTelnet / SSH is a secure flexible terminal client with rock-solid emulations that is suitable for developers, administrators, or deployment across the enterprise. It includes the industry standard SSH protocols to secure terminal session data across insecure environments...

SmartCode VNC Manager is a powerful yet easy to use remote administration, network management and monitoring software. It offers built-in support for VNC, RDP, Citrix ICA, Microsoft Hyper-V, Microsoft Virtual Server 2005, RAdmin, SSH, Telnet, Team Viewer, HP Remote Graphics...

lterm is a vte-based terminal emulator for GNU/Linux systems. It is mainly used as ssh/telnet client but can be very easily configured to use any other protocol. Furthermore it can be a usual terminal on local host.

Putty/RDP/Powershell Connection Manager + Script Manager + Cloud Storage.

QuTTY is a multi-tabbed, multi-paned SSH/Telnet client with a terminal emulator. The goal is to support advanced features similar to iterm2. Following features are supported.

mRemoteNC is the next stage of mRemote development. mRemote is a full-featured, multi-tab remote connections manager.

SecPanel is a graphical UNIX helper tool to manage all of your SSH related tasks: maintaining connection profiles, generating and distributing keys, running the ssh-agent and much more...

You've discovered PenguiNet, the simple all-in-one SSH client for Windows! PenguiNet includes an SCP browser, so that you can easily transfer files with just a few mouse clicks.

moserial is a clean, friendly gtk-based serial terminal for the GNOME desktop. It is primarily intended for technical users and hardware hackers who need to communicate with embedded systems, test equipment, and serial consoles.

csshX is a tool to allow simultaneous control of multiple SSH sessions. It will attempt to create an SSH session to each remote host in separate Terminal.app windows. A master window will also be created. All keyboard input in the master will be sent to all the slave windows.