ER Diagram

What it does

Simple, fast ER diagram editor — design databases visually without the bloat. Free guest mode, DBML import/export, version history. No signup required.

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  ChartDB v22025 · ▲229

  Database diagrams editor for teams

• OD
  Online database diagram editor2024 · github.com · ▲311

  Hey all! I released drawDB about a month ago and now it's open source. I hope you find it useful. If you want to check out the app you can go to https://drawdb.vercel.app/ . Thank you:)

• CA
  ChartDB Agent – Cursor for DB schema designOct 2025 · app.chartdb.io · ▲130

  Last year we launched ChartDB OSS (https://news.ycombinator.com/item?id=44972238) - an open-source tool that generates ER diagrams from your database (via query/sql/dbml) without needing direct DB access. Now we’re launching the ChartDB Agent. It helps you design databases from scratch or make schema changes with natural language. You can: - Generate schemas by simply describing them in plain English - Brainstorm new tables, columns, and relationships with AI - Iterate visually in a diagram (ERD) - Deterministically export SQL script Try it out here -…

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  dbdiagram.io2018 · ▲181

  Free database diagrams designer for analysts & developers 🛠

• VD
  Visualize database schemas with a single query2024 · github.com · ▲227

  Hey HN! We are Jonathan & Guy, and we are happy to share a project we’ve been working on. ChartDB is a tool to help developers and data analysts quickly visualize database schemas by generating ER diagrams with just one query. A unique feature of our product is AI-Powered export for easy migration. You can give it a try at https://chartdb.io and find the source code on GitHub. Next steps ---> More AI. We’d love feedback :)

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  DrawSQL2018 · ▲246

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