Component Object Model (COM) Development on Mac OS X (3 tags)
COM allows software components with a high potential for reuse to be shared between programs, and has been implemented on Mac OS X as part of the Core Foundation framework. Because it's commonplace in Windows development, many programmers don't know that COM works just as well on Mac OS X. Christopher Hunt shows you the ins and outs of COM on the Mac platform.
Jawin, An Open Source Interoperability Solution (2 tags)
Stuart Halloway started the Jawin project because he was dissatisfied with JNI as a mechanism for Java and Win32 interoperability.