Postgresql JDBC Driver
Centralize, transform and stash your data
Free database schema discovery and comprehension tool
Get random, realtime read/write access to your Big Data
Database connection pool written in Java
Infinispan is an open source data grid platform
DBMS supporting graph, document, full-text and geospatial models
Deductive Database with Datalog, SQL, RA, TRC, DRC
Distributed database ecosphere
General-purpose bitemporal database for SQL, Datalog & graph queries
Apache IoTDB
Easy to use open source fast database for search
RisingWave: the next-generation streaming database in the cloud
Toolkit for working with and mapping geospatial data
A Java SQL client for any JDBC compliant database
A powerful, cross platform, SQL database system
ITIL conform CMDB solution for documenting your entire IT landscape
Relational Database
An object relational-mapping (ORM) library for Java
Database Subsetter and Relational Data Browser
Database Replication, Filtered Synchronization, and Transformation
A flexible graph store, written in Clojure
Mirror of: https://github.com/osdldbt/
a set of foundation classes for database engines
A Database System for Metamodeling and Method Engineering