Dev tools · alternatives · 2026
24 alternatives to ERDiagram
Generate the SQL script and classes code of your ER model
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ERDiagram launched in 2021; newer entries below may have overtaken it.
- 1
Learn how to use this simple free tool dbdiagram.io to visualize your Rails ERD diagram, made by Holistics
2018 · holistics.io · its alternatives →
- 2
dbdiagram.io▲181Free database diagrams designer for analysts & developers 🛠
2018 · dbdiagram.io · its alternatives →
- 3PT
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 →
- 4
A free simple tool to draw ER diagrams by just writing code
2019 · dbdiagram.io · its alternatives →
- 5
GitDiagram▲342GitDiagram is an open-source micro dev-tool that I made this past week Given any public GitHub repository it generates diagrams in Mermaid.js with Claude 3.5 Sonnet I extract information from the file tree and README for details and interactivity (you can click components to be taken to relevant files and directories) Also, you can replace "hub" with "diagram" in any repository URL to access its diagram I created this because I wanted to contribute to open-source projects but quickly realized their codebases are too massive for me to dig through manually, so this helps me get started I do…
2025 · gitdiagram.com · its alternatives →
- 6CA
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 →
- 7
Quick and simple free tool to help you draw your database relationship diagrams and flow quickly using simple DSL language.
2018 · dbdiagram.io · its alternatives →
- 8
Generate entity relationship diagram for free.
2022 · ermodel.net · its alternatives →
- 9
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 →
- 10
Generate a 100% free database schema for your project
2024 · supalaunch.com · its alternatives →
- 11
Generate DOT description for postgres db schema. Contribute to akarki15/dbdot development by creating an account on GitHub.
2019 · github.com · its alternatives →
- 12
- 13
Create a visual map of your existing SQL database, free
2020 · trevor.io · its alternatives →
- 14
ob1 by Outerbase▲280Generate APIs, databases, and your backend with a prompt.
2023 · its alternatives →
- 15
Hi There, Erlang-RED has been my project for the last couple of months and I would love to get some feedback from the HN community. The idea is to take advantage of Erlangs message passing and low overhead processes to have true concurrency in Node-RED flows. Plus also to bring low-code visual flow-based programming to Erlang.
2025 · github.com · its alternatives →
- 16
🧜♀️ 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 →
- 17
Notion2Charts▲185Create embeddable charts from your Notion databases
2022 · notion2charts.com · its alternatives →
- 18
Erlang code generator for Idris 2. Contribute to christian-public/Idris2-Erlang development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 19
Ideogram 4.0▲265Generate design-ready image with open weight, layout control
Jun 2026 · ideogram.ai · its alternatives →
- 20
Made an online tool for creating diagrams with TypeScript. I quite like it for thinking about how to shape my data, even if I end up using a different language in the end.
2023 · tsdiagram.com · its alternatives →
- 21
The first data modeling tool with generative AI features
2023 · soft-builder.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
Create diagrams without touching your mouse. Generate informal, class, sequence, state, gantt, user journey or entity-relationship diagrams using only the keyboard.
2021 · gleek.io · its alternatives →
- 24
Hey HN! We’re Jorge and Will from Lotas (https://www.lotas.ai/), and we’ve built Erdos, a secure AI-powered data science IDE that’s fully open source (https://www.lotas.ai/erdos). A few months ago, we shared Rao, an AI coding assistant for RStudio (https://news.ycombinator.com/item?id=44638510). We built Rao to bring the Cursor-like experience to RStudio users. Now we want to take the next step and deliver a tool for the entire data science community that handles Python, R, SQL, and Julia workflows. Erdos is a fork of VS Code designed for data…
Oct 2025 · lotas.ai · 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 →