Clean, native Markdown editor for Mac with syntax highlighting, instant preview, Mermaid diagrams, KaTeX, PDF export, side-by-side editing, and open source.

Clean, native Markdown editor for Mac with syntax highlighting, instant preview, Mermaid diagrams, KaTeX, PDF export, side-by-side editing, and open source.

Fast, native editor with Markdown live preview, syntax highlighting, Mermaid diagram rendering, multiple view modes, CSV/TSV viewer, Git, and workspace support.



A native macOS markdown editor specialized for AI context management. Live editor on the left (codemirror 6), rendered preview on the right (markdown-it + shiki + mermaid). Minimal Chrome, full catppuccin + matcha themes, macOS vibrancy, orange octopus mascot. ~10 MB bundle.




Native macOS tool for Markdown and markup previews with real-time updates, grammar and spelling checks, readability scoring, and export features.










DocFuse is a collection of 26 document and developer tools that run entirely in your browser.

Transform your Markdown into beautifully formatted PDFs and Word documents. Native macOS app with zero external dependencies.




A fast, private Markdown notes app for thinking, writing, and linking ideas for your Mac.




Preview folders, archives, source code with syntax highlighting, Markdown, Mermaid diagrams, ebooks, and many more file types directly in macOS Quick Look.




Discreet AI desktop overlay that helps you answer coding, system design, and verbal theory questions during live technical interviews.



