Check out NoteCasePro. It's the only solution I could find that allows me to sync an encrypted file myself that I could open in Android and Linux (/windows/mac)

Check out NoteCasePro. It's the only solution I could find that allows me to sync an encrypted file myself that I could open in Android and Linux (/windows/mac). It has a ton of advanced features, but I just use the basics like hierarchies and image embedding.