Why does a screensaver show a data catalogue?

Because the catalogue is a portrait of what a well-run city measures about itself. Read as a list it is unexpectedly revealing — the things a government chooses to count are the things it is paying attention to.

Mostly, yes. Zurich publishes its catalogue in German, and this shows the titles as the city wrote them rather than machine-translating them into something less precise.

Yes. It comes from The Zurich open data portal's CKAN API. Nothing is invented or simulated, and if the source cannot be reached the saver reports that instead of drawing something plausible.

Does it cost anything or need an account?

No. Every screensaver here is free, runs in the browser and needs no sign-up. This one uses a public API that requires no key.

What Zurich Publishes Screensaver

The What Zurich Publishes screensaver streams the city of Zurich's open data catalogue ordered by what was updated most recently. Zurich runs one of the more diligent municipal portals in Europe: roughly a thousand datasets covering swimming pool attendance, tram passenger counts, air quality and municipal finance, many updated daily. It runs in the browser with nothing to install; press ESC to exit.

How the What Zurich Publishes screensaver works

The saver reads The Zurich open data portal's CKAN API.

No account and no key: the request goes straight from your browser, or from this site's own refreshed copy of the feed where the source does not allow browser access.

Values are drawn on a canvas that resizes with the window, so it works on a laptop or a wall display.

If the source is unreachable the saver says so on screen rather than showing stale numbers as though they were current.

A worked example

Each row names a dataset, the department that maintains it, when it was last modified and how many files it contains. The point is less any single dataset than the breadth: somebody in Zurich is counting how many people went swimming yesterday, and publishing it.

Settings & tips

Accent and Background recolour the display without changing the data.
Add it to a Multi-view grid to watch it alongside other live savers.
Press ESC at any time to leave fullscreen.

Frequently asked questions

Why does a screensaver show a data catalogue?: Because the catalogue is a portrait of what a well-run city measures about itself. Read as a list it is unexpectedly revealing — the things a government chooses to count are the things it is paying attention to.
Is it in German?: Mostly, yes. Zurich publishes its catalogue in German, and this shows the titles as the city wrote them rather than machine-translating them into something less precise.
Is this real data?: Yes. It comes from The Zurich open data portal's CKAN API. Nothing is invented or simulated, and if the source cannot be reached the saver reports that instead of drawing something plausible.
Does it cost anything or need an account?: No. Every screensaver here is free, runs in the browser and needs no sign-up. This one uses a public API that requires no key.

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