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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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/mo
Angular.dev
✓ verifiedFree

Google's open-source TypeScript framework for building scalable web apps, featuring signals, reactivity and first-party tooling.

👁 1.1M/mo
autify.com
✓ verifiedFreemium

AI software testing platform whose autonomous agent Aximo generates and runs end-to-end tests across web, mobile, and desktop apps.

👁 80K/mo
Magic Patterns
✓ verifiedFreemium

AI prototyping tool that generates UI matching your design system, letting product teams test features fast.

👁 242K/mo3.8K
Pricing

No public pricing

No public pricing

Free: $0 (2,000 one-time credits)
Starter: $99/mo billed annually (6,000 credits/mo)
Team: $450/mo billed annually (30,000 credits/mo)

Free trial available

No public pricing

No public pricing

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)
  • Signals-based fine-grained reactivity
  • Built-in control flow and deferrable views
  • Server-side rendering and hydration
  • First-party routing, forms and dependency injection
  • AI-forward tooling and MCP resources
  • In-browser tutorials and playground
  • Aximo autonomous AI testing agent
  • Natural-language and visual test generation
  • End-to-end, regression, and visual testing
  • Web, mobile, and desktop coverage
  • Credit-based, concurrency-tiered plans
  • Managed QA and on-prem options
  • AI UI generation from prompts
  • Match existing styling and design systems
  • Rapid, high-fidelity prototyping
  • Live team editing and sharing
  • Enterprise security and compliance
  • Design canvas integrated directly into the IDE (VSCode/Cursor)
  • Agent-driven MCP canvas based on open design format
  • AI Multiplayer for generating screens and flows in parallel
  • Design as Code: Design files live in repo, versioned with Git
  • Pixel-perfect vector-to-code workflow
Use cases
  • Finding a starting schema for a project
  • Designing a database visually
  • Generating a schema with AI
  • Converting between SQL dialects
  • Building scalable single-page apps
  • Enterprise web application development
  • Performance-critical front ends
  • Learning modern web development
  • Automating regression testing without scripting
  • Replacing manual QA workflows
  • Testing Salesforce, Canvas/WebGL, and mobile apps
  • Scaling test coverage for engineering teams
  • Prototype new product features
  • Test designs with customers
  • Build design-system-consistent mockups
  • Designing new products and features with pixel-perfect precision without leaving the development environment.
  • Eliminating design handoffs by having design and code live under one roof.
  • Accelerating workflow by using AI multiplayer to generate UI components and flows.
  • Shipping production-ready apps with guaranteed code-design alignment.
  • Integrating existing design systems directly from the codebase.
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