StackRender

What it does

Design and edit your database schema diagram visually with StackRender. Export production-ready SQL for PostgreSQL, MySQL, MariaDB and SQlite in minutes.

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  BaseDash 2.02020 · ▲206

  Edit your database with the ease of a spreadsheet

• DG
  Dbdot – Golang tool to help generate Postgres schema diagrams2019 · github.com · ▲119
• 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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  Nabubit2024 · ▲203

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  SQL Database Schema Generator2024 · ▲133

  Generate a 100% free database schema for your project

• DT
  DDL to Data – Generate realistic test data from SQL schemasJan 2026 · ▲55

  I built DDL to Data after repeatedly pushing back on "just use production data and mask it" requests. Teams needed populated databases for testing, but pulling prod meant security reviews, PII scrubbing, and DevOps tickets. Hand-written seed scripts were the alternative slow, fragile, and out of sync the moment schemas changed. Paste your CREATE TABLE statements, get realistic test data back. It parses your schema, preserves foreign key relationships, and generates data that looks real, emails look like emails, timestamps are reasonable, uniqueness constraints are honored. No setup, no…

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