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Jailer

Jailer is a free, open-source developer tool for Windows, macOS and Linux. Database Subsetting and Relational Data Browsing Tool. It has 3,215 GitHub stars and is released under the Apache-2.0 license. Its source code is on GitHub at Wisser/Jailer.

github.com/Wisser/Jailer (opens in a new tab)

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About Jailer

Free and open source tools for relational data: create referentially intact subsets of production databases, and browse your data along its relationships.

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FAQ

Jailer FAQ

Still curious? Email info@appsgit.com.

Is Jailer free and open source?

Yes. Jailer's source code is public on GitHub under the Apache-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Jailer?

Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v17.3) or the project website.

Is Jailer still maintained?

The repository's most recent commit was on Oct 22, 2026. appsgit only lists apps whose repository had a commit in the last six months.