1. Apache Ant. http://ant.apache.org/. Accessed: 2015-07-15. Apache Ant. http://ant.apache.org/. Accessed: 2015-07-15.
2. Apache Lucene. http://lucene.apache.org/core/. Accessed: 2015-07-15. Apache Lucene. http://lucene.apache.org/core/. Accessed: 2015-07-15.
3. AspectJ. http://eclipse.org/aspectj/. Accessed: 2015-07-15. AspectJ. http://eclipse.org/aspectj/. Accessed: 2015-07-15.
4. Eclipse Java development tools (JDT). http://www.eclipse.org/jdt/. Accessed: 2015-07-15. Eclipse Java development tools (JDT). http://www.eclipse.org/jdt/. Accessed: 2015-07-15.