iSQL-Viewer is an open-source JDBC 2.x compliant database front end written in Java. It implements across multiple platforms features of the JDBC API. It does everything through a single interface.

iSQL-Viewer works with most database platforms, including PostgreSQL, MySQL, Oracle, and Informix. iSQL-Viewer provides a variety of tools and features to carry out common database tasks. It includes:

Scripting support using JPython and the IBM BSF framework
A guided query builder for creating simple and complex SQL queries
Enhanced object viewing for images, HTML, and other binary format files
A friendly SQL console for executing SQL statements
Batch processing of SQL files
Database introspection
"Bookmarks" to store SQL commands you commonly use
Import and export to popular file formats such as Microsoft Excel, XML, HTML and ASCII delimited.
Enhanced interface support across platforms
iSQL-Viewer is designed to meet the needs of JDBC Driver developers and database developers who work in single or multi-platform environments.