A fast SQL database that can run embedded or a server mode with support for transactions, encryption, full search, etc. Storage can be disk-based or in-memory.

Artifacts using h2 version 1.4.181 (165)
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Spring JDBC provides an abstraction layer that simplifies code to use JDBC and the parsing of database-vendor specific error codes.
Last Release on Apr 17, 2026
The Apache Commons CSV library provides a simple interface for reading and writing CSV files of various types.
Last Release on Jul 27, 2025
jOOλ is part of the jOOQ series (along with jOOQ, jOOX, jOOR, jOOU) providing some useful extensions to Java 8 lambdas.
Last Release on Mar 8, 2023
JIRA provides cutting edge issue tracking and project management.
Last Release on May 11, 2026
Nutz, which is a collections of lightweight frameworks, each of them can be used independently
Last Release on Sep 10, 2024
Oak Core
Last Release on Apr 23, 2026
Hibernate based persistence module
Last Release on Mar 26, 2024
Oak JCR Binding
Last Release on Apr 29, 2026
The Beangle Data Library
Last Release on Mar 13, 2024
core for Seata built with Maven
Last Release on Nov 20, 2023