Now includes a J2EE Connector Archicture (JCA) adapter and a sample web service implementation.

• Open Source. All code, including samples, released under Lesser GPL (use in commercial software).
• Reads both big and little endian NTv2 binary files.
• Reads official Canadian format files (all current Canadian and Australian binary files).
• Supports Positive West Longitude (Candian standard) and Positive East Longitude (Australian standard).
• Offers memory based and disk based access to node data.
• Pure Java.
• J2EE Connector Architecure adapter
• Extensive sample code including a J2EE based web service (config files for JBoss) and a Swing app to transform coordinates entered by hand.

NTv2 Developer's Guide, Junkins and Farley 1995

GDAit Software Architecture Manual, Mitchell and Collier 2000

GDA Technical Manual v2.2, ICSM