Alternatives

Products that do what Liam ERD – Automatically generates beautiful ER diagrams [Apache-2.0] does

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…

1DG
Dbdot – Golang tool to help generate Postgres schema diagrams▲119
2019 · github.com
2CA
ChartDB Agent – Cursor for DB schema design▲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 -…
Oct 2025 · app.chartdb.io
3
ChartDB v2▲229
Database diagrams editor for teams
2025
4
Database Schema Gallery by DrawSQL▲156
Collection of 200+ database diagram templates for developers
2020
5
dbdiagram.io▲181
Free database diagrams designer for analysts & developers 🛠
2018
6PA
PSequel – a free PostgreSQL GUI Tool for Mac OS X▲247
Happy Cyber Monday!
2014 · psequel.com
7VY
Visualize Your Rails App to ER Diagram Automatically▲104
2018 · holistics.io
8PE
Pg-extend-rs – Easy Postgres extensions in Rust▲244
2018 · bluejekyll.github.io
9PA
Pgcli – A CLI for Postgres with auto-completion and syntax highlighting▲227
2015 · pgcli.com
10EO
Erdos – open-source, AI data science IDE▲86
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
11
Drop a SQL schema, get an interactive ER diagram▲18
Drop a model file — SQL, pgModeler, Prisma, MySQL Workbench and a dozen other formats — and get an interactive diagram, shareable through a single link.
7d ago · mcdview.dev
12
RelateDB▲140
Offline-first database schema designer in your browser
Jan 2026
13
DBngin▲133
Free all-in-one database version management tool 🛠️
2018
14GD
Gleek diagram maker – UML class, Sequence, ER diagrams, Flowcharts▲56
2021 · gleek.io
15AJ
A JavaScript Tool for Database Diagramming▲75
2016 · github.com
16PE
PgModeler – EER Diagramming for postgres▲9
2017 · pgmodeler.com.br
17AU
A user interface for Postgres EXPLAIN that also gives tips▲50
2019 · pgmustard.com
18
ERDtoSQL
Visual ERD Designer & SQL Generator
Apr 2026
19
Schema Source by Tabstack▲41
Turn any URL into a JSON Schema, Zod, or Pydantic model
Jun 2026 · schema.tabstack.ai
20EA
Enforced, Annotated Schema for Ruby Sequel Models▲22
2015 · github.com
21
ER Diagram▲4
Design database schemas online — free, no signup needed
Jun 2026 · erdiagram.dev
22
Aether DB▲14
AI-Powered Database Architecture
Jul 2026 · aetherdb.app
23DD
Draw Database Diagrams Using Code (DSL) – Dbdiagram.io▲20
2018 · dbdiagram.io
24ID
Instant DBML Schema to Database Diagram PNG Tool▲6
Jun 2026 · vibe-schema.com

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