This, actually using vimwiki, is my setup for both my private knowledge management/kind of diary system and my lab notebook at work for quite some time now. Works flawlessly. See [0] for a pretty nice setup.
Doesn't solve your image issue, but for text-only it's a pretty nice solution if you're comfortably living in vim anyway.
Doesn't solve your image issue, but for text-only it's a pretty nice solution if you're comfortably living in vim anyway.
[0] https://news.ycombinator.com/item?id=4822796