ChromeOS Flex turns older PCs and Macs into managed ChromeOS devices, which makes it a common way to get more life out of hardware an organization already owns. Screenly runs on it as an auto-launching kiosk app, deployed centrally.
Screenly Anywhere on ChromeOS Flex
Deploy Screenly as a managed kiosk app on ChromeOS Flex through the Google Admin Console, for IT-managed fleets of repurposed hardware.