I maintain an inventory¹ of Markdown dialects, editors, parsers, stylesheets, etc. — basically just some lists with links. They’re in YAML, though, so you may want to add extra info (like a short description with pros/cons), and file a pull request. I am considering to split the list of editors² into one for native apps, and another for web-based implementations (such as EpicEditor).

[¹] https://github.com/rhythmus/markdown-resources [²] https://github.com/rhythmus/markdown-resources/blob/master/m...