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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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Stately
✓ verifiedFreemium
Visual state-machine editor (built on XState) that lets teams design app logic as diagrams and export runnable JS/TS code.
71K visits/mo
Pricing
No public pricing
Hobby: FREE
Plus: $19/month
Enterprise: Custom
Professional: $33/month (annual) or $39/month (monthly), 1,000 AI generations/month
Team: $167/month (annual) or $199/month (monthly), up to 10 members
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)
- ✦AI-powered app generation
- ✦Text-to-code conversion
- ✦Full-stack Next.js app creation
- ✦Custom domain deployment
- ✦Automatic SSL certificate provisioning
- ✦Fork versions of your app
- ✦Drag-and-drop visual state machine editor
- ✦Bidirectional code/diagram sync via XState
- ✦AI generation and modification of state machines
- ✦Auto-generated React app prototypes and tests
- ✦GitHub sync and Figma embedding
- ✦Live simulation and Stately Inspector for debugging
- ✦Version history and shareable diagrams
Use cases
- →Finding a starting schema for a project
- →Designing a database visually
- →Generating a schema with AI
- →Converting between SQL dialects
- →Generating SaaS templates
- →Creating local business websites (e.g., restaurant templates)
- →Building blogs and news sites
- →Developing mobile app landing pages
- →Creating chatbots
- →Frontend teams modeling complex UI flows
- →Backend teams documenting workflow logic
- →Teams wanting living, always-current documentation
- →Non-technical stakeholders reviewing app logic visually
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