

Depends on which Piefed instance you’re trying to contact and for what reason.
In the cases of feature requests a good place to start would be piefed.social/c/piefed_meta - [email protected]
If it’s about contacting a specific piefed instance then check their about page, f.e.: https://piefed.europe.pub/about
If it’s about helping out with developing etcetera then this page has links that will bring you to the right place: https://join.piefed.social/










I haven’t tried Sync-in but if simple is what you want then a Synology DS225+ should get you up n running quickly.
https://www.androidpolice.com/synology-as-a-google-drive-alternative/
Which part of the seafile install was it that made you back off?
https://manual.seafile.com/latest/setup/setup_ce_by_docker/