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SQuirreL SQLDbGate
Free

Free and open source.

 Freemium

DbGate is GPL-3.0 licensed and free to use for any purpose. A few connectors, including…

Windows, macOS, Linux Windows, macOS, Linux, Self-hosted
  • Works with any JDBC-compliant database
  • Plugin system for extra features
  • Covers SQL and NoSQL databases, including MongoDB, Redis and Cassandra, in one client
  • Schema compare and synchronisation, ER diagrams and a visual query designer
  • Requires a Java runtime
  • Interface feels dated next to newer clients
  • A handful of connectors are marked premium and are not in the free build
  • Electron-based, so it is heavier than a native client
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: LGPL-2.1 License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 21, 2026

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