Open in AppCenter
You can view and install this app from AppCenter on elementary OS, or you can preview the listing here.
Wammer lets you kick out all clients in your WiFi network, so you can enjoy its full bandwidth. Best part of the story: everything works fully automatically!
In order to work Wammer needs the aircrack-ng installed and a compatible WiFi device to work. For more information please visit the project's homepage.
Disclaimer: This software is for educational purposes only. Jamming WiFi networks might violate certain laws or regulations in your country. Make sure you have the network owner's permission to run this program. You are using this software on your own risk.