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
Database Subsetter and Relational Data Browser
a set of foundation classes for database engines
Database Replication, Filtered Synchronization, and Transformation
DAO for all database server types with the Java POJO code generator
Java persistence using JDO, JPA or REST
Deductive Database with Datalog, SQL, RA, TRC, DRC
Sentinel is a filesystem-backed document DBMS written in Rust.
Java Application Framework
Automated tests with databases: prep, verify, restore tables