OpenMarkdown

OpenMarkdown is a lightweight, high-performance markdown editor designed for seamless local editing and collaborative co-editing with an AI agent. Its core strength lies in instant file opening—supporting any .md file—allowing users to edit without delays. What sets OpenMarkdown apart is its local-first approach; it operates without requiring an account or telemetry, ensuring complete privacy and security. The integration with an agent—accessible via CLI, plugins, and MCP—enables real-time collaborative editing, making it ideal for developers, writers, and teams who prioritize privacy and efficiency. Its simple design and fast performance make it a compelling choice for those who need a reliable markdown editing experience combined with AI-driven assistance and collaboration tools.