I made an open-source Notion-style WYSYWIG editor
Novel is a Notion-style WYSIWYG editor with AI-powered autocompletions. Built with Tiptap, OpenAI, and Vercel AI SDK.
I made an open-source Notion-style WYSYWIG editor launched on June 16, 2023 with 370 votes, #54 of 4,655 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Novel is an open-source WYSIWYG editor built with a Notion-style interface. It allows developers to integrate a rich text editor into their applications with customizable formatting options and block-based content management. The tool is designed for developers who need an extensible editor component that doesn't require proprietary dependencies.
written from the facts on this page · September 2026
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OpenKnowledge – open source AI-first alternative to Obsidian/NotionJun 2026 · github.com · ▲381Hi HN, Nick here. We’re launching OpenKnowledge (https://openknowledge.ai/), a “what you see is what you get” markdown editor that has direct integrations with Claude, Codex, and other agents. Available as MacOS app or Web UI+CLI. Fully free/local and OSS. We built this because we wanted a Notion-like experience for writing and sharing markdown files across our team. Obsidian is the best alternative we tried, but found it doesn’t have a true WYSWIG UI and it didn’t integrate well with Claude/Codex outside of community plugins. So we built OpenKnowledge. It takes…
- NInpm i novel – open-source Notion-style editor2023 · npmjs.com · ▲14
An open-source, collaborative, WYSIWYG Markdown editor2023 · editor.vrite.io · ▲460Inspired 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…
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