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Database .NETHeidiSQL
Freemium

A free edition is available, with paid Plus, Standard and Professional editions.

 Free

Free and open source under the GPL. Donations are welcomed but nothing is withheld.

Windows Windows, Linux
  • Supports a very wide range of database engines and data sources
  • Portable single executable with no installation
  • Exports structure and data directly to another server, not just to a file
  • Native Delphi application; it starts instantly and stays small
  • Windows only
  • Some features are reserved for the paid editions
  • Windows-first; the Linux builds come from a separate Lazarus branch
  • No macOS build
Downloadable app Downloadable app
Closed source Open source
License: Freeware License: GPL-2.0
Not stated if an account is needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 21, 2026

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