FREE JAVA FIX ENGINE - Free Downloads

AFI/J - A Pure Java FIX Engine supporting FIX versions 4.0, 4.1, 4.2, 4.3 (including FIXML). AFI/J has a very east to use event-driven API. As an alterative, the JMS API is also supported.FixGateway - A FIX Engine supporting FIX versions 4.0, 4.1, 4.2, 4.3 (including FIXML). The package includes a C++ and Active X API. C# and JAVA APIs are available separately, as is an SSL integration kit.