Similar to HSQLDB
Apache ActiveMQ
Apache ActiveMQApache Ant
Apache AntApache Avalon
Apache Axis
Apache AxisApache Axis2
Apache Axis2Apache Batik
Apache BatikApache Commons
Apache CommonsApache Commons Collections
Apache Commons DBUtils
Apache Commons Email
Apache Commons IO
Apache Commons Lang
Apache Commons Math
Apache Cordova
Apache CordovaApache Drill
Apache DrillApache FOP
Formatting Objects ProcessorApache Geronimo
Apache GeronimoApache Hadoop
Apache HadoopApache Hive
Apache HiveApache HTTP Server
Apache HTTP ServerApache James
Apache JamesApache Kafka
Apache KafkaApache Mahout
Apache MahoutApache Maven
Apache MavenApache OpenEJB
Apache OpenEJBApache OpenJPA
Apache OpenJPAApache POI
Apache POIApache Portable Runtime
Apache Portable Runtime