A minor complaint...
A major reason I have gone down the rabbit hole with Ghost is that it integrates with both Ulysses and iA Writer.
Ulysses integrates with Wordpress, Ghost, Medium, and Micro.blog.
Unfortunately, one of the small issues I have is regarding line-breaks.
<br /> tags
But Ulysses publishes them as paragraphs.
One solution is to use the "Raw source" functionality, like so:
I hope to find a better solution for this soon, especially on mobile.