PDFsam, a desktop application to split, merge, mix, rotate PDF files
Apache InLong - a one-stop integration framework for massive data
Replacement for the Java date and time classes prior to Java SE 8
Multiprecision calculator
Calculates Shift Times
Stability POS software, Free soft develop from Openbravo POS
The Esri Geometry API for Java enables developers to write apps
Pentaho Data Integration ( ETL ) a.k.a Kettle
Poll JMX attributes from Java based applications with Nagios
Java Persian Calendar library
Ohioedge CRM + BPM + Group/Membership Management Server