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Adminer vs DbGate: catalog facts
Adminer	DbGate
Free Free and open source under the Apache licence or the GPL.	Freemium DbGate is GPL-3.0 licensed and free to use for any purpose. A few connectors, including…
Web, Self-hosted	Windows, macOS, Linux, Self-hosted
A single file to upload, with no installation or dependencies Supports many database engines from the same interface	Covers SQL and NoSQL databases, including MongoDB, Redis and Cassandra, in one client Schema compare and synchronisation, ER diagrams and a visual query designer
Leaving it on a public server is a serious risk and it must be removed or protected Fewer conveniences than larger administration tools	A handful of connectors are marked premium and are not in the free build Electron-based, so it is heavier than a native client
Self-hosted, Web application	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: GPL-3.0
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 September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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