I want to share notes / vaults with someone else. I currently use iOS but I’m soon switching to Android and I have a PC with Linux/Windows dual boot and I’m interested in hearing what are your approaches for syncing vaults. I have an ultimate Proton account, any advice for sharing notes with more people and having them synced in multiple platforms?
Maybe take a look at the Remotely Save plugin for Obsidian. It works with lots of services (though not sure about Proton). The “Pro” version is still in beta and free.