Free & Open Source

Markdown with comments.

A markdown editor where you can highlight text and leave comments. Everything stays in plain files on your machine.

What you get

A writing tool with inline commenting built in.

WYSIWYG Markdown

Formatting renders as you type. Headings, bold, links, code blocks, tables, math, diagrams — you see what you get.

Inline Comments

Highlight text and leave a note. Comments are stored as small HTML markers in your markdown, so they work in any renderer.

Local-First

No accounts, no cloud, no telemetry. Plain markdown files on disk. Works great with git.

Plus

Wiki Links

Type [[ to link between notes with autocomplete and backlinks

Math & Diagrams

LaTeX and Mermaid rendered inline — no export step

Version History

Snapshots on every save with inline diff and restore

Unified Search

Files, headings, tags, and commands in one palette

Tags

Frontmatter tags with browser, cloud view, and file tree filtering

Templates

Built-in and custom templates for quick document starts

Reading Mode

Distraction-free view with comments as margin annotations

Fast & Native

Tauri + Rust — starts instantly, light on memory, cross-platform

Tauri v2
Rust Backend
React 19
TipTap / ProseMirror
MIT License

Download

Free, open source, works everywhere.

macOS

Apple Silicon & Intel

Linux

x86_64

100% AI-authored. Every line of code, config, test, and this sentence was written by Claude Code.