Blog is now part of every portal/websites. There are plenty of blog tools (already developed application) which we can use and integrate in our application to provide all the features of blogs. This article describes various available tools and their comparisons. I would like to take your view which one is best?
I have explained my digging at
http://webinsideout.blogspot.com/2008/10/blog-tools-comparison-based-on-j2ee.html