PuTTY

The tool was easy to use and flexible, Friendly usable interface and easily manageable. Powerful visualizations make for easy analysis,saving session logs and maintain different session logs.

1. PuTTy is free and open-source 2. Simple interface , so the user can use it easily and the configurations are easy to understand. 3.It can be used to connect with routers , modem , serial devices and also with common operating systems such as Windows , Linux and MacOS.

Simple tool that doesn't need any big iplementation, can be set up instantly when needed. Very powerfull as it is able to process any remote commands. It helps me to update and release new software to important system with no direct access to them.