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Online Dashboards
(alien.top)
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
For Example
We welcome posts that include suggestions for good self-hosted alternatives to popular online services, how they are better, or how they give back control of your data. Also include hints and tips for less technical readers.
Useful Lists
These are not live updated, but I sometimes have one up and use a browser plugin to refresh the page every 30min
https://www.die.net/earth/ https://www.die.net/moon/
I think the source code on how the images are generated are open source. Maybe you can download the source code and make a live page or four.