AsciidocFX is described as 'Asciidoc FX is a book / document editor to build PDF, Epub, Mobi and HTML books, documents and slides. AsciidocFX is also a winner of Duke’s Choice Award 2015' and is an app in the News & Books category. There are more than 25 alternatives to AsciidocFX for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and Android. The best alternative is Joplin, which is both free and Open Source. Other great apps like AsciidocFX are Typora (Free), Mark Text (Free, Open Source), ghostwriter (Free, Open Source) and StackEdit (Free, Open Source).
Elegant Markdown Editor (EME) is an intuitive Markdown text editor with distraction-free mode, auto-sync for GitHub Gist, math typesetting support and more. Features - It just suits, show editor or preview or both just as you wish.