Typora, Ulysses, Rentry.co, Hemingway Editor, Zettlr, Mark Text, WriteMonkey, MacDown, (Un)colored, ghostwriter, Notable, novelWriter, Rebel Notes, OmmWriter, SiYuan, Caret Markdown Editor, MarkdownPad, Beaver Notes, NoteKit, Markdown Here, Skrifa, Madoko, Markdown Monster, Quoll Writer, Justmd are some alternatives to MarkFlowy.