Open Source Alternatives to spacedesk

A remote desktop and display extension tool that turns tablets, phones, and other devices into additional monitors for Windows PCs, supporting USB, Wi-Fi, and LAN connections.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to spacedesk give you an option you fully own. They run locally on your own device, so your data never leaves your machine. This page lists 1 open source alternative to spacedesk. The most popular is Deskreen. It uses the AGPL-3.0 license.