One the the best things that i had like on NetCut is that he is very lite and don't use many computer resources . Moreover , you can cut internet from the users on the network using their Mac Address of their devices.
NetCut is very easy to use it , Just download it ( Link bellow the post ) , open it directly because it is a portable tool and it will show you automatically all users connected to your network , just select the users which you would cut internet from them ( You can choose all bulk ) and click on Cutoff and wait .
Netcut contain an anti-Netcut and you can use this using "Protect My Computer" .
Besides , NetCut can help you to stay anonymous on the network.
Download NetCut for Windows
Available for : Windows XP , Vista , 7 , 8 , 8.1
size : 1.7Mb