Otterly
Write linked Markdown notes in a folder you own.
A free desktop notes app built with Tauri and a source-preserving Markdown editor. Open a local folder or an individual Markdown file, write with inline formatting or raw source, and move between linked notes using search and backlinks. Tabs, customizable themes and shortcuts, and optional Git checkpoints help organize a personal vault. Git-backed history lets you inspect earlier note versions. Available for macOS, Windows, and Linux without an account.
Product preview
See Otterly in action
What is Otterly best for?
Otterly is a free Markdown tool best suited to keeping a personal markdown vault in ordinary local files with linked notes and optional git history. It is available as Desktop app on macOS, Windows, Linux, and its source status is open source.
Verified editor profile
Reviewed October 19, 2026
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Editing experience
Files and offline use
- Local Markdown files
- Folder or workspace support
- Works offline
Long documents
- Document search
- Tabs or multiple documents
Markdown support
- Tables
- Task lists
- Mermaid diagrams
- Syntax-highlighted code
Collaboration and history
- Revision history
At a glance
- Pricing
- Free
- Source
- Open source
- Best for
- Keeping a personal Markdown vault in ordinary local files with linked notes and optional Git history
Availability
Platforms
Surfaces
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Desktop app · Mobile app · Web app
macOS · iOS · Android · Web