JACOB
Project for JAva COm Bridge, lets Java call local (Exe) and in-process (DLL) COM Automation servers from any JVM on Win32 platform. [Open Source]
jacoZoom
Automates COM/Automation-Servers using Java, JNI-based. [Commercial]
Java2COM
Enables Java applets and applications to use and call COM objects from Java code. By Neva Object Technology, Inc.
Linar Ltd.
Makes J-Integra two-way COM/ActiveX - Java bridge; can access COM components as if they are Java objects, and pure Java objects as if they are COM components.