How do you save your threat model?

If Syncthing is a critical dependency in your workflow, you can use Loqsec + Cryptomator + Syncthing:

logseq

A privacy-first, open-source knowledge base

A privacy-first, open-source platform for knowledge management and collaboration.

If you are willing to forego Syncthing in favour of an all-in-one solution, Joplin has built-in E2EE encryption at rest using WebDAV:

joplinapp.org

Joplin website

Joplin, the open source note-taking application

joplinapp.org

End-To-End Encryption (E2EE) | Joplin

Joplin supports end-to-end encryption (E2EE) on all the applications. End-to-end encryption (E2EE) is a system where only the owner of the data (i.e. notes, notebooks, tags or resources) can read i...