TomorrowOS
The open-source foundation for digital signage software. Build a new CMS, connect an existing product, or ship a custom signage experience across supported screen platforms. You own what you build — Apache 2.0, no seat licences, no revenue share. Requires Node.js 20 or newer.Beginners guide
Understand TomorrowOS without needing to be a developer first.
Developer guide
Install the SDK and build your first player or integration.
API overview
Device, capability, playback, package, and telemetry APIs.
Capability matrix
What each OS, device, and firmware version can safely support.