Jsons2Xsd – Convert JSON schema to XML schema
Internet Time Utility – An extremely fast parser and
Lamebda – Dynamically loaded API/integrations running as part of your JVM process. Supports live reload and OpenAPI 3.x specifications for request/response model generation and human-readable documentation.
Eclipselink-Maven-Plugin – Maven plugin making it easy to perform weaving, model- and DDL script generation.
DACHS – DAta CHange Snitch is providing a generic API to allow listening for changes in your persistence framework. Very useful for cache invalidation (on update/delete), audit-logging and other.