Allmark is a simple self contained Markdown html renderer and server from developer Andreas Koch, that is written in Go.
You could certainly install Allmark locally, but there are numerous editors or standalone operating system specific markdown parsers you could use.
But what if you have some markdown documentation on a server, and need a quick and easy way to access that documentation? You can always just look at the raw markdown using vim, but what fun is that?
Allmark is a full markdown server, but installing a server just to read a couple of markdown documents is something very few people would want to do. If however, your server has docker installed, you can be reading your documentation in all its rendered glory in a matter of a few seconds. Here is how: