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Open Source Database Designs
✓ verifiedFreemium
Online database-design tool with sample schemas and an AI generator to explore, modify or build database structures visually.
27K visits/mo
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rowy.io
✓ verifiedFreemium
Low-code backend builder giving teams a spreadsheet UI over Firebase/Google Cloud data plus scalable custom cloud functions.
31K visits/mo
Pricing
No public pricing
Base: $0/month (1 project, unlimited cloud functions and team members)
Team/Pro: $12/seat/month (unlimited projects, full-text search, one-month free trial)
Free trial available
Core features
- ✦Library of sample database designs
- ✦Visual database designer / diagram tool
- ✦AI database generator
- ✦Modify and optimize existing schemas
- ✦SQL script export
- ✦Dialect converters (MySQL/PostgreSQL/MSSQL)
- ✦Spreadsheet-style UI over a Firestore database
- ✦Unlimited custom cloud functions written in-browser
- ✦30+ supported field types for structured data
- ✦Webhooks and extensions (Slack, SendGrid, WhatsApp, etc.)
- ✦Field-level access control and row auditing
- ✦Open-source codebase with self-hosting option
Use cases
- →Finding a starting schema for a project
- →Designing a database visually
- →Generating a schema with AI
- →Converting between SQL dialects
- →Startups building an app backend without heavy custom development
- →Non-developers collaborating on structured data alongside engineers
- →Automating workflows that trigger on data changes
- →Connecting external forms or APIs into a shared Firestore database
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