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
phpMyORM is a Object Relational Mapping library for PHP and MySQL. It supports basic CRUD (Create, Read, Update, Destroy) functionality from within PHP objects. It does this by creating SQL based on info describing your PHP objects and database layout.
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.