Typora

Typora gives you a seamless experience as both a reader and a writer. It removes the preview window, mode switcher, syntax symbols of markdown source code, and all other unnecessary distractions. Instead, it provides a real live preview feature to help you concentrate on the content itself.

•  Distractions Free
•  Seamless Live Preview
•  What You See Is What You Mean

Accessibility

• Organize Files - Typora allows you to manage your files easily, providing both file tree panel and articles (file list) side panel. Fell free to organize files in your own way, including putting in sync services, like Dropbox or iCloud.
• Outline Panel - Automatically see the Outline structure of your documents in outline panel, which allows you to quickly go through the document and jump to any section with one click.
• Import & Export - Export to PDF with bookmarks. Go further and export or import. More formats, including docx, OpenOffice, LaTeX, MediaWiki, Epub, etc, can be exported or imported.
• Word Count - See how large your document is in words, characters, lines, or reading minutes.
• Focus Mode & TypeWriter Mode - Focus mode helps you focus only on the current line, by blurring the others. Typewriter mode always keeps the currently active line in the middle of the window.
• Auto Pair - Auto complete pair of brackets and quotes like a code editor. Also, There's also an option to auto pair markdown symbols, like * or _.