Database Replication, Filtered Synchronization, and Transformation
Front-end/back-end separated human resources management system
JEE based Accounting web-application.
Opensource framework for creation bussiness web applications
An absolutely free customer relationship managment (CRM) application
Excellent Decision Table based Rules Engine implementation in Java
OpenPatientOS is an information system for managing patient records
ServiceNow Data Mart Loader (a.k.a. ServiceNow Data Pump)
Hadoop, Hbase, HBase Web Client, Flume based log analytics system