Netherstone
Write local Markdown notes in a visual desktop workspace.
Netherstone stores each document as a plain Markdown file in a folder you choose. Its formatted editor supports tables, to-dos, document outlines, search, links between notes, and drawings. The app works offline; optional sync uses your own GitHub account. Public beta builds are available for Windows, macOS, and Linux.
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See Netherstone in action

What is Netherstone best for?
Netherstone is a free Markdown tool best suited to keeping portable markdown notes in a desktop vault with optional sync. It is available as Desktop app on macOS, Windows, Linux, and its source status is open source.
Verified editor profile
Reviewed October 6, 2026
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Editing experience
Files and offline use
- Local Markdown files
- Folder or workspace support
- Works offline
Long documents
- Outline or table of contents
- Document search
- Tabs or multiple documents
Markdown support
- Tables
- Task lists
At a glance
- Pricing
- Free
- Source
- Open source
- Best for
- Keeping portable Markdown notes in a desktop vault with optional sync
Availability
Platforms
Surfaces
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