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HeidiSQL vs SQLyog: catalog facts
HeidiSQL	SQLyog
Free Free and open source under the GPL. Donations are welcomed but nothing is withheld.	Paid Commercial software with a free trial.
Windows, Linux	Windows
Exports structure and data directly to another server, not just to a file Native Delphi application; it starts instantly and stays small	Schema and data comparison with synchronization Scheduled backups and sync jobs
Windows-first; the Linux builds come from a separate Lazarus branch No macOS build	Windows only Limited to MySQL and MariaDB
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is 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 24, 2026

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