Apache Derby

is an open source relational database implemented entirely in Java

Open-source software · by Apache Software Foundation · db.apache.org

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What Apache Derby’s own pages say

What it says it doesis an open source relational database implemented entirely in Java db.apache.org
Open sourceYes db.apache.org
Licenseunder the Apache License, Version 2.0 . db.apache.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.