ActiveX Controls vs. JavaBeans
   Compares ActiveX controls against JavaBeans, by David Chappell.
   http://www.chappellassoc.com/articles/article_ActiveX_v_JavaBean.html

DCOM and CORBA Side by Side, Step By Step, and Layer by Layer
   DCOM/CORBA Comparison.
   http://research.microsoft.com/~ymwang/papers/HTML/DCOMnCORBA/S.html

Making Sense of Distributed Objects
   An assessment of COM, CORBA, and Java/RMI, by David Chappell.
   http://www.chappellassoc.com/articles/article_Sense_Dist_Objects.html

On Being Object-Oriented: COM and CORBA
   A comparison of COM and CORBA, by David Chappell.
   http://www.chappellassoc.com/articles/article_COM_and_CORBA.html

OnJava.com: Microsoft .NET vs. J2EE: How Do They Stack Up?
   Jim Farley, author of Java Distributed Computing and co-author of Java Enterprise in a Nutshell gives answers on what exactly the .NET platform is and how the .NET architecture measures up against J2EE.
   http://www.oreillynet.com/pub/a/oreilly/java/news/farley_0800.html

Toolkit Comparison
   Compares the same program, Klotski, written in Gtk, Qt and PyQT. Descriptions, code samples, tables, statistics, humor. [Open Source]
   http://phil.freehackers.org/kde/cmp-toolkits.html