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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 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
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
Pipedream logo
Pipedream
✓ verifiedFreemium

Low-code integration platform for connecting thousands of APIs into workflows and AI agents, including an MCP tool server.

498K visits/mo
APIMart logo
APIMart
✓ verifiedPaid

Unified API gateway to 500+ AI models (GPT, Claude, Sora, image/video) with OpenAI-compatible endpoints and discounted usage.

328K visits/mo1.9K saves
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

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)
  • 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
  • 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
  • Visual and code-based workflow builder
  • Prebuilt AI agent builder and deployment
  • Managed authentication across thousands of apps
  • MCP server exposing integrations as agent tools
  • Scheduled and event-triggered workflows
  • Connect SDK for embedding integrations into other products
  • Single OpenAI-compatible API for 500+ models
  • Chat, image, video and audio models
  • Discounted per-request pricing
  • One dashboard for keys, quotas and usage
  • Multi-region routing and failover (99.9% uptime)
  • Multiple payment methods incl. crypto
Use cases
  • 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
  • Building scalable single-page apps
  • Enterprise web application development
  • Performance-critical front ends
  • Learning modern web development
  • Building AI agents that call external APIs and tools
  • Automating cross-app workflows such as Slack, Gmail, or Sheets notifications
  • Embedding third-party integrations into a SaaS product
  • Prototyping event-driven automations without heavy infrastructure
  • Accessing many AI models via one API
  • Cutting AI model API costs
  • Building multimodal AI apps
  • Consolidating AI billing and keys
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