The Exchange Network Open Source Node (OpenNode2) has been announced at the Exchange Network User Conference in Atlanta, GA.
OpenNode2 is made available by the Environmental Council of States (ECOS) and was developed by Windsor Solutions, Inc. (Windsor).
This solution fully supports both the Exchange Network Node Specifications version 1.1 and the latest Exchange Network Node Specifications version 2.0, published in May of 2008. It is available for both .Net and Java platforms and includes a number of common data exchanges used by EPA and Exchange Network partners.
http://code.google.com/p/opennode2