Secure dashboards on every screen

If a dashboard has a URL, it plays as a web page, live and refreshing on the device, and JavaScript injection can sign the page in and strip the menus and banners made for a laptop. For Power BI, Grafana, Salesforce and Airtable there are ready-made apps that lay the dashboard out for a wall and let you pick it from your own account. And when the numbers come from your own systems, you can build an app that reads them directly and lays them out for a screen read across a room, with type and charts sized for a wall rather than a desk.

Every dashboard is an item in the same library as your images and videos, so it goes into a playlist, takes a duration, rotates with other dashboards by team or by time of day, and reaches the right screens through labels.

Connect Power BI, Grafana or Salesforce once for the workspace, and every app that reads from it uses that one connection. Nobody pastes a personal token into a screen, and removing access is one change rather than a hunt through every screen.

Anything else an app needs, such as an API key, is stored as a secret: encrypted for a single device, so it cannot be decrypted on any other, and write-only once saved, so not even another administrator can read it back. On ScreenlyOS devices with a TPM, such as Screenly Player Max, the key that unlocks it is held in hardware.

Many of the dashboards worth showing are not on the public internet: an operations board on an internal server, a monitoring page behind the firewall. Every ScreenlyOS device has its own client certificate, and your server, CDN or load balancer can require it, so the page opens for your screens and is refused to every other device.

For services on a private network, ScreenlyOS devices can join your Tailscale network and reach them the way your own machines do, with nothing exposed publicly.

A frozen dashboard shows yesterday's numbers as confidently as today's. Screenly monitors every screen and alerts you to email, Slack or PagerDuty when one stops reporting, and ScreenlyOS devices keep showing what they hold through a network drop. For dense, script-heavy dashboards, Screenly Player Max has the rendering headroom to keep them smooth around the clock.