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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.

Angular.dev logo
Angular.dev
✓ verifiedFree

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

1.1M visits/mo
Open Source Database Designs logo
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
Eraser AI logo
Eraser AI
✓ verifiedFreemium

AI co-pilot for technical diagrams and design docs, with diagram-as-code and integrations for engineering teams.

873K visits/mo41K saves
Firebase Studio logo
Firebase Studio
✓ verifiedFree

Browser-based AI dev workspace by Google for full-stack apps; being sunset on 22 Mar 2027, no new workspaces.

531K visits/mo
Locofy logo
Locofy
✓ verifiedFreemium

AI design-to-code tool that turns Figma/Adobe XD designs into responsive front-end code for React, HTML/CSS and more.

131K visits/mo
Pricing

No public pricing

No public pricing

Free: $0 (3 files, 3 AI diagrams)
Starter: $15/user/mo billed annually (40 AI diagrams)
Business: $45/user/mo billed annually (250 AI diagrams, SSO)

No public pricing

No public pricing

Core features
  • 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
  • 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-generated diagrams from prompts
  • Diagram-as-code editing
  • Markdown design docs
  • Eraserbot auto-updating codebase diagrams
  • Integrations: GitHub, Notion, Confluence, VS Code
  • Export to PNG/SVG/PDF/MD and MCP server
  • Cloud workspaces for full-stack development
  • App Prototyping agent from natural language
  • Gemini AI for coding, debugging and docs
  • Repo import from GitHub, GitLab and Bitbucket
  • Web previews and Android emulators
  • Deploy to Firebase App Hosting, Hosting or Cloud Run
  • Figma and Adobe XD plugins for design import
  • AI conversion of designs to responsive code
  • Output to React, React Native, Next.js, HTML/CSS, Vue and more
  • Reusable, editable components
  • One-click export or sync of generated code
Use cases
  • Building scalable single-page apps
  • Enterprise web application development
  • Performance-critical front ends
  • Learning modern web development
  • Finding a starting schema for a project
  • Designing a database visually
  • Generating a schema with AI
  • Converting between SQL dialects
  • Create architecture and cloud diagrams fast
  • Write and maintain design docs
  • Keep codebase diagrams up to date
  • Embed live diagrams in Notion/Confluence
  • Prototyping apps from a prompt or mockup
  • Building full-stack apps in the browser
  • Collaborating and sharing preview URLs
  • Deploying and monitoring apps quickly
  • Turning designs into front-end code faster
  • Prototyping web and mobile UIs from Figma
  • Giving developers a code head-start from designs
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