Open Source Enterprise Content Management from Alfresco
ScapeToad - cartogram software by the Choros laboratory
ImageJ
Sweet Home 3D
Next ESA SAR Toolbox
Home - Lambda Probe
Project SIKULI
Ignite Realtime: Openfire Server
SVNKit :: Subversion for Java
LogicalDOC Open Source Document Management System, DMS
Bug Labs
Apache Abdera
kabella - Java DXF library
Jodd Library
Español - OpenKM