So...yeah. As I'm moving away from google, I'd like to store my contacts elsewhere. I have proton (I know, I know), but this is also not great, since their system isn't too android-friendly. Which system (maybe self-hosted) would you suggest to easily sync/backup your contacts?
And the extremely low tech solution of just having them offline in a foss contacts app and exporting backups from that app to your storage in case you lose them.
that's not a good solution because a lot of apps will be able to read them. It's not always possible to decide for yourself what apps you have, sometimes more powerful people are going to make you use one that you don't trust.
I said in a foss one, I don't think the foss developers are conspiring to get rid of your contacts, maybe for apple you might have to hope the developer doesn't get burnt out, but the android foss community is pretty robust, but if you're that paranoid just put them in a txt file or a spreadsheet.
same opinion here. but sometimes it's not a choice. Especially on a company phone, but also on a personal one. Don't forget either that not everyone here did/can degoogle their phone.