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Sublime Merge - Git client from the makers of Sublime Text
Blaze through your commits with Sublime Merge - available on Mac, Windows and Linux

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

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 …

Scratch – A minimalist markdown scratchpad
An offline-first, open source markdown note-taking app. No cloud, no account, no subscriptions.

leaf : Terminal Markdown previewer — GUI-like experience.
leaf renders Markdown files with rich formatting, syntax highlighting, LaTeX math, Mermaid diagrams, and more — all without leaving your terminal.

Notepad.exe - Native macOS Code Editor for Swift & Python
Lightweight macOS code editor. Skip the setup, write code, run instantly. Built-in iOS simulator, AI assistance, and Linux support.

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.

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.

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.

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.

Augmented Text Tools. Minimalist writing, powerful tools
Augmented Text tools offer a new ecosystem for writing, reading and interacting with text. Author is a writing app for Mac which makes citations and concept mapping easier than ever before. Reader is a free minimalist PDF viewer with powerful interactions.

Collaborative Editor Demo App