I use IA Writer, which is all in Markdown. Not sure if it's on Linux, but it works well across iOS and Mac OS. The notes and attached files are just kept in fol

I use IA Writer, which is all in Markdown. Not sure if it's on Linux, but it works well across iOS and Mac OS. The notes and attached files are just kept in folders on the Mac hard drive (i.e., accessible via Finder.) https://ia.net/writer https://ia.net/writer