Dev tools · alternatives · 2026
24 alternatives to E-R Model Generator
Generate entity relationship diagram for free.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. E-R Model Generator launched in 2022; newer entries below may have overtaken it.
- 1PT
Create ER diagrams, SQL schemas, and DBML models. No Signup required, Nothing to install. All diagrams are 100% private, secure and processed locally right in your web browser
2023 · databasediagram.com · its alternatives →
- 2
ERDiagram▲68Generate the SQL script and classes code of your ER model
2021 · erdiagram.nestorrente.com · its alternatives →
- 3

Learn how to use this simple free tool dbdiagram.io to visualize your Rails ERD diagram, made by Holistics
2018 · holistics.io · its alternatives →
- 4

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- 6

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 :)
2024 · github.com · its alternatives →
- 7CA
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 -…
2025 · app.chartdb.io · its alternatives →
- 8

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Create a visual map of your existing SQL database, free
2020 · trevor.io · its alternatives →
- 10
ERD Editor▲10Introduction - Entity-Relationship Diagram Editor - The top priority of the project is to focus on user editing experience.
2024 · github.com · its alternatives →
- 11

Drop a model file — SQL, pgModeler, Prisma, MySQL Workbench and a dozen other formats — and get an interactive diagram, shareable through a single link.
Aug 2026 · mcdview.dev · its alternatives →
- 12

The first data modeling tool with generative AI features
2023 · soft-builder.com · its alternatives →
- 13

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:)
2024 · github.com · its alternatives →
- 14
DrawSQL▲246Better entity relationship diagrams for your database
2018 · drawsql.app · its alternatives →
- 15

Free online database schema design tool. Draw entity-relationship diagrams, generate SQL for PostgreSQL, MySQL, SQLite, MariaDB, SQL Server & Oracle, import/export DBML, and collaborate on data models in real time.
2024 · drawdb.vercel.app · its alternatives →
- 16

Design ER diagrams by just typing code
2023 · databasediagram.com · its alternatives →
- 17
dbdiagram.io▲181Free database diagrams designer for analysts & developers 🛠
2018 · dbdiagram.io · its alternatives →
- 18
Notion2Charts▲185Create embeddable charts from your Notion databases
2022 · notion2charts.com · its alternatives →
- 19

- 20

Design database schemas online — free, no signup needed
Jun 2026 · erdiagram.dev · its alternatives →
- 21

Generate a 100% free database schema for your project
2024 · supalaunch.com · its alternatives →
- 22

Hey HN, I’d like to share Liam ERD, an open-source tool that automatically generates beautiful and interactive ER diagrams from your database schemas (PostgreSQL, schema.rb, schema.prisma etc.). We built it to address the common pain of manually maintaining schema diagrams and to help teams keep their database documentation always up-to-date. Key features: - Beautiful UI & Interactive: A clean design and intuitive features (like panning, zooming, and filtering) make it easy to understand even the most complex databases. - Web + CLI: Use our web version for quick demos on public projects, or…
2025 · github.com · its alternatives →
- 23

A free simple tool to draw ER diagrams by just writing code
2019 · dbdiagram.io · its alternatives →
- 24

🧜♀️ RESTful rendering pipeline for generating sequence and UML diagrams using Mermaid for Markdown docs (Diagrams as a Service) - Schachte/Mermrender
2019 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →