Poderosa is a tabbed terminal emulator for Windows. It is open source written in C# .NET.
Features
Tabbed style GUI
It is convenient to open multiple connections at the same time. Moreover, you can split the window into panes and allocate each connection.
Many differnt ways in connection method.
In addition to Telnet and SSH1/2, local cygwin shell and serial ports are supported.
Fulfilling options and tools
A lot of functions for terminals are available. For example, SSH2 port forwarding tool, SSH Key generation wizard, SOCKS connection.
Plugin architecture You can extend the feature of Poderosa by plugins like Eclipse. Actually serial port and X/ZModem are provided as additional plugins. A manual for plugin developers is included the installation package.
index - Terminal Emulator Poderosa