JMonitoring and NMonitoring are monitoring frameworks for Java and .Net applications, based on AOP (AspectJ and AspectDNG). Data are stored in database, memory or XML and can be consulted with a web console. http://forge.octo.com/confluence/display/JMO
CostModel is a Set of Tool inspired by Apendix 3 of the book Programing Pearls, see http://www.cs.bell-labs.com/cm/cs/pearls/appmodels.html.
These tools include Costmodel codegeneration using Codesmith for classes in C# and Java that allows to estimate