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OctoSQLsq
Free

Free and open source under the Mozilla Public License 2.0.

 Free

Free and open source.

Windows, Command line Windows, macOS, Linux, Command line
  • Joins data across different databases and file formats in one query
  • Uses standard SQL
  • One query syntax across databases and document files
  • Imports Excel sheets into database tables
  • No commits since May 2024
  • Command line only
  • Its SLQ query language has to be learned alongside SQL
  • Command-line only, with no graphical interface
Downloadable app Downloadable app
Open source Open source
License: MPL-2.0 License not stated
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.