An open-source, collaborative, WYSIWYG Markdown editor
Inspired by the design and UI/UX of apps like Notion, and utility of open-source apps like StackEdit, I decided to create a minimalistic, local-only WYSIWYG Markdown editor. Some features worth highlighting: - Monaco editor and Prettier integration for code snippets - Tables (apparently the holy grail of WYSIWYG editing) - Embeds (for CodePen, CodeSandbox and YouTube, most useful for HTML or JSON exports) - Accepts Markdown paste-in, and "exports"/generates HTML, Markdown and JSON outputs - Collaboration (with real-time awareness and initial commenting system, available only when…
In plain words
An open-source WYSIWYG Markdown editor built with a minimalist design and local-first approach. It features Monaco editor integration for code snippets, table support, embeds for CodePen and YouTube, and exports to HTML, Markdown, and JSON formats. The editor supports real-time collaboration between signed-in users, includes a commenting system, and offers GPT-3.5 integration. It's designed for developers who want a Notion-like interface with the utility of open-source tools, though mobile support is not currently available.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Inspired by the design and UI/UX of apps like Notion, and utility of open-source apps like StackEdit, I decided to create a minimalistic, local-only WYSIWYG Markdown editor. Some features worth highlighting: - Monaco editor and Prettier integration for code snippets - Tables (apparently the holy grail of WYSIWYG editing) - Embeds (for CodePen, CodeSandbox and YouTube, most useful for HTML or JSON exports) - Accepts Markdown paste-in, and "exports"/generates HTML, Markdown and JSON outputs - Collaboration (with real-time awareness and initial commenting system, available only when logged in) - GPT-3.5 integration (only when logged-in with the corresponding extension installed) Stack used: TipTap, Solid.js, HocusPocus, Fastify, tRPC. Some notable drawbacks: - No mobile support - Collaboration available only between signed-in users, in the same workspace; - I tried my best to support most common Markdown formatting, pasting and in-editor shortcuts, though there might still be room for improvement - Self-hosting isn't easy right now, though you should be able to figure it out from the source code The editor itself is a standalone app, extracted from the larger Vrite CMS project (https://github.com/vriteio/vrite) which you can also test out (only with sign-in) here: https://app.vrite.io/
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