Ant, Apache Software Foundation, http://ant.apache.org/
Eclipse, Eclipse Foundation, http://www.eclipse.org/
JDeveloper, Oracle, Inc., http://www.oracle.com/technology/products/jdev
jEdit, jEdit community, http://www.jedit.org
IntelliJ IDEA, JetBrains s.r.o., http://www.jetbrains.com/idea/
Maven, Apache Software Foundation, http://maven.apache.org/
NetBeans, Oracle, Inc., http://www.netbeans.org/