Writing Apache modules in Free Pascal.
Apache Camel provides a powerful Java library for testing your routes, and the camel-test module has been introduced to test your Enterprise Integration Patterns. The camel-test JAR uses JUnit.
The NetBeans Platform is a broad Java framework on which you can base large desktop applications. NetBeans IDE itself is one of the hundreds of applications based on the NetBeans Platform. The NetBeans Platform contains APIs that simplify the handling of windows, actions, files, and many other things typical in applications.