A graph database that supports more than 100+ billion data
CDC Connectors for Apache Flink
TypeDB: a strongly-typed database
The open big data serving engine
Toolkit for working with and mapping geospatial data
A Java SQL client for any JDBC compliant database
A powerful, cross platform, SQL database system
Relational Database
An object relational-mapping (ORM) library for Java
a set of foundation classes for database engines
Database Subsetter and Relational Data Browser
A generator of DTO, Model, and DAO classes to access relational DB
Database Replication, Filtered Synchronization, and Transformation
Java persistence using JDO, JPA or REST
DAO for all database server types with the Java POJO code generator
Relative Examples and Resources of iBoxDB, etc...
ORBIT : Operating Business Intelligence Tool
HHDB SQL Admin is a graphical PostgreSQL client written in Java.
A Database System for Metamodeling and Method Engineering