Most of the users often use the putty ssh client to connect to the remote unix and execute shell command.And It's one convenient tool and there are some other optional tools for us to try.Nutty http://groehn.net/nutty/
Nutty is a modified version of a simple SSH and telnet client called PuTTY. This patch enables users to select and open hyperlinks that they see on the terminal window to their preferred web browser.
Poderosa http://en.poderosa.org/A terminal emulator with tabbed user interface and various connectivity including Telnet, SSH1/2, and cygwinFireSSH https://addons.mozilla.org/en-US/firefox/addon/firessh/
FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!
SSH Web Proxy http://www.ericdaugherty.com/dev/sshwebproxy/
SSHWebProxy is a Java Servlet application that enables users to access SSH Shell sessions and SSH File Transfer sessions using a web browser. All client interaction uses pure HTML, so it can be used from anywhere. SSHWebProxy is simply an HTML SSH Client.