H2 is an embeddable RDBMS written in Java
JSqlParser parses an SQL statement and translate it into a hierarchy
Free database schema discovery and comprehension tool
An extremely easy way to perform background processing in Java
Java dataframe and visualization library
A powerful, cross platform, SQL database system
Java persistence using JDO, JPA or REST
Simple message-based, web-based ETL integration
Simple open source business intelligence and reporting solution
Design, automate, operate and publish data pipelines at scale
UBA Probenverwaltungssystem (Specimen Management System)
A Genomic LIMS and Data Repository
Feature Toggle for Java Platform made easy
Java Editor For DataTables
TPC-C Like workload generator
A universal chemistry database system, using Java and any rdbms