BearDB Database
A JPA 2.1 compliant Polyglot Object-Datastore Mapping Library
CrNiCKL (chronicle) is a Java database for time series
UBA Probenverwaltungssystem (Specimen Management System)
Distributed, transactional key-value store
10gen Education / MongoDB University courses of 2013
Big Sack: A lightweight Java Key/Value store with undo and disk cache.
Simple persistent framework
flexible nosql database for java .net android windows phone
An ANSI-SQL compliant JDBC API for noSQL DB
ChronoDB is a data manager for generic time series.