Neothesia is a free and open source midi visualizer for Linux, Windows and MacOS. Using Neothesia you can learn how to practice and play the piano.Just select the midi file and enjoy the falling notes in piano. It is a Synthesia like software. It is written in Rust and released under GNU General Public License v3.0.
How to Install Neothesia on Ubuntu Linux
Neothesia is available as a flatpak package from flathub repository. So you need to install flatpak and flathub on your system first. And after the installation restart your system. Now open the terminal command line application (ctrl+alt+t) and run below Neothesia flatpak install command.
flatpak install flathub com.github.polymeilex.neothesia
After the successful installation of Neothesia, run below command to start it.
flatpak run com.github.polymeilex.neothesia
Open the .mid file an start playing.You can also uninstall Neothesia using this command.
sudo flatpak uninstall com.github.polymeilex.neothesia