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SchemaSpydatannur
Free

Free and open source.

 Free

Free and open source under the MIT licence.

Windows, macOS, Linux, Command line Web, Self-hosted
  • Generates ER diagrams automatically
  • Static HTML output is easy to share
  • Runs from static files with no server or database
  • Catalogs many tabular, statistical and geospatial formats
  • Requires Java and the right JDBC driver
  • Command-line configuration only
  • Small project with a young community
  • Building a catalog from real data uses the separate Python builder
Downloadable app Self-hosted
Open source Open source
License: LGPL-3.0 License: MIT
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 24, 2026

Checked October 2, 2026

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