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DbGate vs HeidiSQL: catalog facts
DbGate	HeidiSQL
Freemium DbGate is GPL-3.0 licensed and free to use for any purpose. A few connectors, including…	Free Free and open source under the GPL. Donations are welcomed but nothing is withheld.
Windows, macOS, Linux, Self-hosted	Windows, Linux
Covers SQL and NoSQL databases, including MongoDB, Redis and Cassandra, in one client Schema compare and synchronisation, ER diagrams and a visual query designer	Exports structure and data directly to another server, not just to a file Native Delphi application; it starts instantly and stays small
A handful of connectors are marked premium and are not in the free build Electron-based, so it is heavier than a native client	Windows-first; the Linux builds come from a separate Lazarus branch No macOS build
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 21, 2026

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