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 1.3.171 (109)
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Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.
Last Release on May 8, 2026
Datomic Free
Last Release on Mar 29, 2018
Play-JDBC
Last Release on Feb 7, 2025

Relocated → org.playframework » play-jdbc
Classes utilising Joda Time, Joda Money, Libphonenum and JDK Types that add Hibernate support
Last Release on Sep 13, 2016
Hibernate based persistence module
Last Release on Mar 26, 2024
Apache TinkerPop :: Gremlin Test
Last Release on Apr 1, 2026
Apache TinkerPop :: Gremlin Server
Last Release on Apr 1, 2026
Fluent Interface to JDBC
Last Release on Jun 12, 2023
MidPoint Repository SQL Repository
Last Release on Jan 28, 2026
The Waarp Common project contains several classes that are common with different sub projects of Waarp (FTP, R66, ...). Mainly there are classes for virtual Directory and File implementations, Logger interfaces, Common exceptions...
Last Release on Sep 18, 2024