Playhouse is a free and open source web development and testing tool for Linux. It is released under GNU General Public License v3.0. Using Playhouse, you can easily create web app and test it. And it is also allows you to prototype, teach, design, learn and build web related things.
How to Install Playhouse on Ubuntu Linux
Playhouse is available as a flatpak package file from flathub. Install flatpak and flathub on your system and restart your system after the installation.
Open the terminal app using the ctrl+alt+t keys or via the show applications menu and run below Playhouse flatpak install command.
flatpak install flathub re.sonny.Playhouse
It will install the latest version of Playhouse on your system. And run Playhouse using this command.
flatpak run re.sonny.Playhouse
You can also uninstall Playhouse using this command.
sudo flatpak uninstall re.sonny.Playhouse