1. Voyager, http://www.recursionsw.com/products/voyager/voyager.asp
2. Aglets, http://www.trl.ibm.com/aglets/
3. http://www.genmagic.com/technology/odyssey.html
4. Stanford Univ., JATLite, http://www-cdr.stanford.edu/ProcessLink/papers/jat
5. http://www.cs.dartmouth.edu/~dfk/papers/gray:security-book.ps.gz