As many in here mention, org-mode has a few very good features but is much too complicated to get into. My absolute favorite for self organization is Joplin:

As many in here mention, org-mode has a few very good features but is much too complicated to get into. My absolute favorite for self organization is Joplin: - self hosted - markdown - file attachments - cross device - lean interface - encryption Those are my core must haves, but there is much more which really motivated me getting into Joplin.