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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.

The New GitBook logo
The New GitBook
✓ verifiedFreemium

Documentation platform for publishing accurate, AI-ready docs sites, with Git sync and an MCP server for AI tools.

653K visits/mo2.9K saves
Continue logo
Continue
✓ verifiedFreemium

Open-source AI coding assistant offering autocomplete and chat in IDEs; the company was acquired by Cursor.

775K visits/mo
SQLFlash logo
SQLFlash
✓ verifiedFree trial

AI SQL query optimization tool for developers to detect performance bottlenecks and get explainable tuning recommendations.

4.9K saves
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
Pricing

No public pricing

Free trial available

No public pricing

No public pricing

Free trial available

No public pricing

Core features
  • Publish structured documentation sites
  • Git sync for docs-as-code workflows
  • AI setup agent to build and import docs
  • GitBook MCP server for AI access
  • Enterprise controls
  • Free tier to start
  • Open-source AI code assistant
  • Customizable autocomplete
  • In-editor AI chat
  • Community-built coding agent
  • Zero-configuration SQL optimization across multiple database engines
  • AI-powered query rewriting engine
  • Bottleneck detection with smart index recommendations
  • Dual-pane SQL diff viewer for before/after comparison
  • AI query plan explainer with step-by-step reasoning
  • MyBatis XML auto-rewrite support
  • 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)
Use cases
  • Publish product and API documentation
  • Maintain docs-as-code with Git sync
  • Make docs consumable by AI assistants
  • Import existing docs into a hosted site
  • Get AI code completions while coding
  • Ask questions about code in the editor
  • Build on an open-source coding-agent foundation
  • Backend developers speeding up slow production queries
  • Teams reducing manual SQL tuning workload
  • Engineers wanting explainable reasoning behind optimization suggestions
  • Companies standardizing query performance across MySQL/PostgreSQL systems
  • Finding a starting schema for a project
  • Designing a database visually
  • Generating a schema with AI
  • Converting between SQL dialects
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