Screencast is a fork of Eidete created by Sergey "Shnatsel" Davidoff
As first you need elementary SDK
sudo apt install elementary-sdk
Install dependencies
sudo apt install libgstreamer1.0-dev libgstreamer-plugins-bad1.0-dev libwnck-3-dev libappindicator3-dev
Clone repository and change directory
git clone https://github.com/artemanufrij/screencast.git
cd screencast
Configure the build environment and build the application
meson build --prefix=/usr
cd build
Install and start Screencast on your system
sudo ninja install
com.github.artemanufrij.screencast