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
An open source SQL database designed to process time series data
Database connection pool written in Java
Infinispan is an open source data grid platform
TypeDB: a strongly-typed database
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
Relational Database
ITIL conform CMDB solution for documenting your entire IT landscape
A complete tool for creating and managing MSAccess databases.
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