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HeidiSQL vs Antares SQL: catalog facts
HeidiSQL	Antares SQL
Free Free and open source under the GPL. Donations are welcomed but nothing is withheld.	Free Free and open source.
Windows, Linux	Windows, macOS, Linux
Exports structure and data directly to another server, not just to a file Native Delphi application; it starts instantly and stays small	Free and open source Covers MySQL, PostgreSQL and SQLite
Windows-first; the Linux builds come from a separate Lazarus branch No macOS build	Supports fewer database systems than larger commercial clients Smaller project with a small contributor base
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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