GNOME Network Displays
Screencasting app for the GNOME desktop
GNOME Network Displays allows you to cast your desktop to a remote display. Currently implemented is support for casting to Wi-Fi Display capable devices (a.k.a. Miracast).
GNOME Network Displays allows you to stream your display and audio to other devices via Wi-Fi using the Miracast and Chromecast protocols. . Note: wpasupplicant is required, iwd won't work.
How to install GNOME Network Displays in Ubuntu
If you are on a supported distro, you can install the application through software center by clicking the below link.
Install GNOME Network Displays
If the above link not working, run the below command in terminal to install gnome-network-displays in Ubuntu
sudo apt install gnome-network-displays