HelixNotes | Local Markdown Notes

mdnb — A Markdown Notebook for macOS

A native macOS notebook app. Your notes are plain Markdown files on disk, yours forever. Free.

outl — local-first markdown outliner & LLM second brain

Open-source bullet-point outliner. Plain markdown on disk (no UUIDs), peer-to-peer tree-CRDT sync that doesn't lose data when devices edit offline — your devices talk straight to each other, end-to-end encrypted, no cloud or third-party server holding your notes — and an MCP server so Claude, Cursor and ChatGPT use your notes as a second brain. A modern Roam, Logseq and Obsidian alternative built in Rust.

Scratch – A minimalist markdown scratchpad

An offline-first, open source markdown note-taking app. No cloud, no account, no subscriptions.

sharpmars.nekoweb.org/leaflet-md

CLI tool to sync your Markdown to Leaflet

sharpmars.nekoweb.org/leaflet-md

CLI tool to sync your Markdown to Leaflet

pluk-inc/markdown-preview

A simple Markdown viewer for reading .md files

GitHub issues for notes

GitHub issues is almost the best notebook in the world. Free and unlimited, for both public and private notes. Comprehensive Markdown support, including syntax highlighting for almost any language. Plus …

Peersky Browser (@peersky@mastodon.social)

Attached: 1 image 📝 v1.0.0-beta.20 — Introducing P2PMD A real-time peer-to-peer Markdown editor for notes and collaboration that syncs directly between peers, with no servers in the middle. Release: https://github.com/p2plabsxyz/peersky-browser/releases/tag/v1.0.0-beta.20 #PeerSky #p2pmd #markdown

@sharpmars.nekoweb.org/leaflet-md

CLI tool to sync your Markdown to Leaflet

Treehouse: Note-taking Frontend

An open source note-taking frontend to extend and customize. Bring your own backend or configure a built-in backend to get started.

HackMD: Your Collaborative Markdown Workspace for Knowledge Sharing

HackMD gives you a real-time Markdown editor for collaborative work. Working with Markdown files in HackMD is simple, straightforward, and fun.

Marker

Marker is an open-source, user-friendly UI for writing & editing markdown files. Everything you create lives in your filesystem.

Marker — Read with intention

A reading and annotation browser for iOS and Android. Select text, create highlights, attach notes, and keep annotations on device.

Bluenotes

Bluesky with Community Notes. This a fully-featured clone of the main Bluesky frontend, but with Community Notes!