CoolSQL is a free database client software. It is better for people who develop applications related to database and manage database. CoolSQL is written by Java, so it can run on the platform where installed the Java Runtime Environment (1.5 or above).
ViennaSQL is a GUI SQL client written in 100% Java. ViennaSQL can communicate with any database that has a JDBC driver. It should run anywhere Java runs.
The scalable Java DB Client is a customizable java application where fields and general DB info is entered in a config file and the proper GUI is generated at run-time. Entries can then be added, and a final submit/update to the (PostgreSQL/MySQL) Databas