For 4 months I've been using "Standard Notes" as my note taking app. Free, open-source, syncs between devices and is encrypted. I *love* it. I chose to pay for the "Extended" version to support development. If you're after a note taking app, take a look. https://standardnotes.org/
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!