Joplin works pretty well.
It's open source and supports markdown. You also have the option to separately encrypt the notes of you want - although this means they can only be read and edited with a joplin app (clients exist for all OS)
Joplin works pretty well.
It's open source and supports markdown. You also have the option to separately encrypt the notes of you want - although this means they can only be read and edited with a joplin app (clients exist for all OS)