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Navicat Premium Lite vs HeidiSQL: catalog facts
Navicat Premium Lite	HeidiSQL
Free Free for commercial and non-commercial use, up to five users per organization.	Free Free and open source under the GPL. Donations are welcomed but nothing is withheld.
Windows, macOS, Linux	Windows, Linux
Many SQL and NoSQL databases in one client Free for commercial use	Exports structure and data directly to another server, not just to a file Native Delphi application; it starts instantly and stays small
Only basic features compared with the paid Navicat Premium Free use is capped at five users per organization	Windows-first; the Linux builds come from a separate Lazarus branch No macOS build
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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