Jxtray is a database explorer written in Java. Jxtray can be used to connect to any type of database with suitable JDBC drivers. It can provide you with information regarding your data bases and extract data in the following formats: CSV, SQL, HTML, XML
A new front-end for the Protege (protege.stanford.edu) knowledge management and ontology development software that mimics the "Windows Explorer" interface to make it easier to deal with RDF and similiar "semantic web" structured data stores.
Sequel Explorer is a Database Management Tool. But, it is also much more than just a Database Management Tool. It utilizes the platform-independance of the Perl Programming Language and the SQL Database Language to create a Universal Management Platform.
JDBC Explorer is a Java program that provides a front end for SQL commands. It uses JDBC drivers to connect to a RDBMS. Future plans include storing a history of commands, syntax highlighting, and customizable ui.