I have written two and
JDON related essays, the result is a good lesson.
1 I know some of the Banq in the bridge www.jdon.com
2 From the perspective of software evolution, look at EJB and BANQ articles
This time I have to mention JDON, the reason is that people have the headlines of TSS.
OpenSource JDonframework V2005 Released
However, this debate is even greater, and JDon's forum said, it is not easy to travel, even there is a swear on TSS, and it has also been 500 years ago, this is the first time I saw it. . . . Speechless.
You can see here: JDON related discussion