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
Graphical Java application for managing BibTeX and biblatex
Free database schema discovery and comprehension tool
General-purpose bitemporal database for SQL, Datalog & graph queries
eXist Native XML Database and Application Platform
Easy to use open source fast database for search
NSBase is a database management system.
Relational database replication tool based on XML Schema
a set of foundation classes for database engines
Applications for data management
Common Resource Grep
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
Transfer your info from Excel to your Mobile and bring back mods.
Yet Another Elasticsearch GUI Client
Adhoc Data Exploration - Live & Easy
User friendly file-database GUI