When comparing GhostWriter vs Mark Text, the Slant community recommends Mark Text for most people. In the question“What are the best open source Markdown editors for UNIX-like systems?” Mark Text is ranked 13th while GhostWriter is ranked 22nd.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Distraction-free
Minimalist interface, full screen writing and "Hemingway Mode" (which disables backspace to enforce writing rather than editing).
Pro Hemingway Mode
Prevents the use of backspace key to encourage forward momentum.
Pro Suitable for writing
Fast startup, resource light and encourages you to only write by Hemingway mode.
Pro Integration with Pandoc
Pandoc integration enables it to output various different formats.
Pro HTML preview
Pop-up rendered HTML preview window.
Pro Very fast
Native application wit Qt interface, very snappy.
Pro Themeable
Has a theme editor which allows for the creation of custom themes.
Pro HUD
There are various HUD windows which can show things such as document statistics and a Markdown cheat sheet.
Pro Open Source
Pro WYSIWYG or TEXT visualisation
Pro Has RTL language support
Can be used with languages such as Hebrew and Arabic.
Pro Very light : 103 Mb only
Cons
Con Not lightweight
On Windows 10 the installed size was 259 Mb, no surprise as this is an Electron based app.
Con Not a WYSIWYG editor, no formated preview
There is only plain text editing.