MarkText vs Obsidian
Both MarkText and Obsidian are Markdown plain-text editors.
MarkText is a general-purpose open-source Markdown editor. Simple and elegant, focusing on speed and usability.
Obsidian is a Markdown-based note-taking powerhouse with excellent note-linking abilities. You can easily build and navigate whole knowledge bases with Obsidian.
Fan of Markdown note-taking apps? 🤔
Maybe Paper is what you're looking for.