I couldn't find a note-taking app that ticked all the boxes I'm interested in: notes are written and rendered in GitHub Flavored Markdown, no WYSIWYG, no proprietary formats, I can run a search & replace across all notes, notes support attachments, the app isn't bloated, the app has a pretty interface, tags are indefinitely nestable and can import Evernote notes (because that's what I was.

Best Note App For Mac

Bear features at a glance

Markdown For Note Taking

• Advanced Markup Editor that supports and highlights over 150 programming languages
• Encrypt individual notes and lock Bear with Face/Touch ID to protect sensitive information
• Rich previews while writing so you see prose, not code
• In-line support for images and photos
• Use Cross-Note Links to build a body of work, quickly reference other notes, and more
• Quickly add todos to individual notes to keep yourself on task
• Multiple themes to offer a style for everyone
• Multiple export options including HTML, PDF, DOCX, MD, JPG, and more

• Use it everywhere. Bear works on iPhone, iPad, and Mac, so you can write wherever inspiration strikes.Use todos to stay on task across every device. Organize easily. Link notes to each other to build a body of work.Add hashtags to organize the way you think.Use Face/Touch ID to protect sensitive notes.
• Markdown note taking app focused on privacy. Live markdown editing. Laverna has a simple and robust markdown editor, which can help you write faster than ever before with our live markdown preview.

• Smart Data Recognition of elements like links, emails, addresses, colors, and more to come
• Hashtags to quickly find and organize notes however you like
• One-tap formatting on iPhone and iPad with a custom shortcut bar and rich keyboard shortcuts
• Focus Mode hides notes and other options when it matters
• All your notes are stored in plain text for the ultimate in portability
• Effortless, secure, and private multi-device sync via iCloud
• Regular updates to keep you and your writing current