Dev tools · alternatives · 2026
24 alternatives to ER Diagram
Design database schemas online — free, no signup needed
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 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
- 3
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 →
- 4
Learn how to use this simple free tool dbdiagram.io to visualize your Rails ERD diagram, made by Holistics
2018 · holistics.io · its alternatives →
- 5CA
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 →
- 6
dbdiagram.io▲181Free database diagrams designer for analysts & developers 🛠
2018 · dbdiagram.io · its alternatives →
- 7
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 →
- 8
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 →
- 9
DrawSQL▲246Better entity relationship diagrams for your database
2018 · drawsql.app · its alternatives →
- 10
RelateDB▲140Offline-first database schema designer in your browser
Jan 2026 · relatedb.com · its alternatives →
- 11
One year ago I open-sourced my very first 'real' project and shared it here. I was a college student in my senior year and desperately looking for a job. At the time of sharing it i couldn't even afford a domain and naively let someone buy the one i had my eyes on lol. It's been a hell of a year with this blowing up, me moving to another country, and switching 2 jobs. In a year we somehow managed to hit 26k stars, grow a 1000+ person discord community, and support 37 languages. I couldn't be more grateful for the community that helped this grow, but now i don't know what direction to take…
2025 · drawdb.app · its alternatives →
- 12
DesignSQL — Online Database Diagram & Schema Design Tool
Feb 2026 · designsql.cloud · its alternatives →
- 13
- 14
This is a recent addition to Vexlio which I think the HN crowd may find interesting or useful. TL;DR: easy creation of interactive diagrams, meaning diagrams that have mouse click/hover hooks that you can use to display pop-up content. The end result can be shared with a no-sign-in-required web link. My thought is that this is useful for system docs, onboarding or user guides, presentations, etc. Anything where there is a high-level view that should remain uncluttered + important metadata or details that still need to be available somewhere. You can try it out without signing up for…
2017 · vexlio.com · its alternatives →
- 15
Design ER diagrams by just typing code
2023 · databasediagram.com · its alternatives →
- 16
- 17
I have spent large parts of the last 10+ years building an SQL Editor. The tool is targeted at data analysts, a lot of effort has gone into charting, visualizing and excel export. If this sounds useful to you, it's Free, please give it a try and let me know any feedback.
2024 · timestored.com · its alternatives →
- 18
Create a visual map of your existing SQL database, free
2020 · trevor.io · its alternatives →
- 19
- 20
- 21
Free and Open Source ERD tool for all major relational DBs
Jul 2026 · its alternatives →
- 22
A free simple tool to draw ER diagrams by just writing code
2019 · dbdiagram.io · its alternatives →
- 23
Collection of 200+ database diagram templates for developers
2020 · drawsql.app · its alternatives →
- 24
Also compare
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 →