Veyon is a free and open source software for monitoring and controlling
computers across multiple platforms. Veyon supports you in teaching in digital
learning environments, performing virtual trainings or giving remote support.

The following features are available in Veyon:

Overview: monitor all computers in one or multiple locations or classrooms
Remote access: view or control computers to watch and support users
Demo: broadcast the teacher's screen in realtime (fullscreen/window)
Screen lock: draw attention to what matters right now
Communication: send text messages to students
Start and end lessons: log in and log out users all at once
Screenshots: record learning progress and document infringements
Programs & websites: launch programs and open website URLs remotely
Teaching material: distribute and open documents, images and videos easily
Administration: power on/off and reboot computers remotely