Lovefield is a relational database for web apps
In-memory NoSQL database with ACID transactions, Raft consensus, etc.
Defines a complete reports/documents system for WAMP applications
Creates a shape file from a query
A Portable Database
Tiny and easy to use JDBC framework, simplifies usage of JDBC driver
Formalized English (o.a.) for standardized information exchange
DataAdapter - Java library to work with Oracle and PostgreSQL database
Rapidly generate a DAO for SQLite
Provenance-aware DBMS
GeoG Embedded Server
HORK v1.1 Object Relational Mapping (ORM) toolKit
A Clojure library for using SQL