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 1.3.173 (293)
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JBPM Console NG Human Tasks Forms Backend
Last Release on Oct 18, 2016
Koverse Server Base
Last Release on Oct 27, 2022
JBPM Workbench Process Runtime Backend
Last Release on Jul 19, 2023
Skyve Ext
Last Release on Oct 31, 2025
JBPM Console NG Process Runtime Forms Backend
Last Release on Oct 18, 2016
POM including testing dependencies
Last Release on Aug 29, 2014
Use Apache Freemarker for query templating.
Last Release on Apr 28, 2026
Provides support for SPARQL 1.1 Queries and Updates and offers different UIs for exploring SPARQL results.
Last Release on Jun 12, 2018
Hawkular Inventory Feature Pack
Last Release on Dec 16, 2016
OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning.
Last Release on Mar 28, 2026