Mongock is a Java-based database migration tool specifically designed for MongoDB, enabling version-controlled schema changes in a safe and efficient manner.
Pluggable data administration UI interface for Java web applications
The primary goal of the project is to speed up application development by bringing pluggable fully operational data management back-end for JPA based applications and to relieve your codebase for more important stuff.
Hibernate Pojo Generator generates all the Java code necessary to access a database via Hibernate Annotations (+ Spring) including JUnit tests (1 per table) that are able to run immediately without further customizations. Mostly tested with MySQL.
Moved to GitHub: https://github.com/wwadge/hbnpojogen
JdbcLite is light-weight jdbc tool. It is designed for Java developers who like to use native SQL queries for high performance with object mapping and convenient classes built-in. It can be used along with Hibernate, Spring, JDO frameworks.