QuickFIX/J is an 100% Java implementation of the popular QuickFIX open source FIX protocol engine. QuickFIX/J features include support for FIX protocol versions 4.0 through 5.0 (www.fixprotocol.org).
This is a major release introducing the support of FIX5.0 and FIXT1.1. This release also fixes a lot of bugs.
More information at http://www.quickfixj.org/.