A simple, fast and versatile Datalog database
CrateDB is a distributed and scalable SQL database
The open big data serving engine
DBMS supporting graph, document, full-text and geospatial models
Free database schema discovery and comprehension tool
Graphical Java application for managing BibTeX and biblatex
eXist Native XML Database and Application Platform
General-purpose bitemporal database for SQL, Datalog & graph queries
Easy to use open source fast database for search
a set of foundation classes for database engines
Relational database replication tool based on XML Schema
Applications for data management
Search engine and data mining applications and ClueWeb datasets.
Elassandra = Elasticsearch + Apache Cassandra
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
A pure Java JDBC driver for Microsoft Access database files
Helping users to quickly understand SQL queries
Yet Another Elasticsearch GUI Client
Adhoc Data Exploration - Live & Easy
User friendly file-database GUI
Sedna is a native full-featured XML database management system.
Pluggable data administration UI interface for Java web applications