Free, minimal, and elegant open-source markdown editor that provides optional AI that doesn't strive to write for you. Editor modes put you in control, suggestion review lets you keep up with AI suggestions, and Activity History and in-document provenance annotations keep track of everything that's happened.
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
Markdown | Codecademy
Markdown is a lightweight markup language for creating formatted text using a plain-text editor.
Markdown as a Protocol for Agentic UI
An AI assistant that builds reactive UIs mid-conversation — forms, streaming data, callbacks — using markdown code fences and a mount() UI primitive.
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.
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.
Scratch – A minimalist markdown scratchpad
An offline-first, open source markdown note-taking app. No cloud, no account, no subscriptions.
The Emacsification of Software
We’re all reading a ton of Markdown. It’s been the lingua franca of software development since long before LLMs. But now agents have led us into a cursed renaissance of TUI tooling, and the reading experience has become intolerable. I’m certain that at least 14% of the agita about AI code is driven by exhaustion over incessantly scrolling terminal Markdown.
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.
Sublime Text - the sophisticated text editor for code, markup and prose
Available on Mac, Windows and Linux
GrammarCheck — Free Writing Editor
Check grammar, track writing goals, measure readability, and time focused writing sessions.
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.
