For desktop only you should give Boostnote a look. It's got markdown support and has a "tabbed" note type of feature as well. It can do images, but they have to

For desktop only you should give Boostnote a look. It's got markdown support and has a "tabbed" note type of feature as well. It can do images, but they have to be links to pictures on the internet currently, though there is some thought to localized storage of images somewhere in the future. This is what I've personally settled on since there isn't really a good Evernote clone available.