Makumba helps you rapidly develop data driven web applications. Provides a custom JSP taglib as a main interface, but leaves API open for advanced access. It is implemented in Java.
Moved to GitHub: https://github.com/makumba
JDBC Tester is a software that allows to prove JDBC connections and SQL statements. The central idea is to have a software that is used for the design of statements and learning SQL with an graphical user interface simple to use.