Some people are trying to run their favourite application on top of Apache Harmony

• Apache_Ant
• Apache_Axis
• Apache_Cocoon
• Apache_Commons
• Apache_Derby
• Apache_FOP
• Apache_Geronimo
• Apache Hadoop
• Apache_Log4j
• Apache_Lucene
• Apache_Maven
• Apache_Maven_Continuum
• Apache_MINA
• Apache_OJB
• Apache_Struts
• Apache_Tomcat
• Apache_Velocity
• ArgoUML
• Azureus
• Eclipse
• Eclipse_TPTP
• Eclipse_Unit_Tests_Pass_on_DRLVM
• Hibernate
• JBoss
• JEdit
• Jetty
• Jigsaw
• JUnit
• Netbeans_IDE
• Spring