Scratch – A minimalist markdown scratchpad

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.

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 …

iA Writer: The Benchmark of Markdown Writing Apps

Plain text. Total focus. The Industry standard Markdown text editor. Available for Mac, iPhone, iPad, Android, and Windows. Download it now, try it for free

mdnb — A Markdown Notebook for macOS

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

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.

Markdown | Codecademy

Markdown is a lightweight markup language for creating formatted text using a plain-text editor.

BlockNote - Javascript Block-Based React rich text editor

A beautiful text editor that just works. Easily add an editor to your app that users will love. Customize it with your own functionality like custom blocks or AI tooling.

HelixNotes | Local Markdown Notes

A local markdown note-taking app. Plain .md files on your disk. Sync them your way, or don't.

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.

Supernote - Go Paperless with Our Digital Note-Taking Solution

Supernote is a modern E-Ink tablet and digital notebook designed for handwriting, note-taking, and sketching. Shop Supernote online today.

Astro Editor — A focused markdown editor for Astro content collections

Astro Editor is a native, distraction-free markdown editor that reads your Astro content collection schemas and turns frontmatter into clean, schema-aware forms. For writer mode, not coder mode.

Patchwork Notebook

Internal notes from our ongoing research into soft, softer and softest software

Own the source. Compose with anything. - The Way of Markdown

Websites, knowledge bases, blogs, even a Notion replacement — built from plain text files you own, with tools you can swap anytime. Markdown is quietly everywhere; here's the way to make it work for you.

Quarkdown | Markdown with superpowers

Quarkdown is a modern, open-source, Markdown-based typesetting system for creating papers, presentations, knowledge bases and static websites.

solo-ist/prose

Markdown editor for the agentic era