Cocomo
Cocomo Calculator v.1.0
Cocomo is a model designed by Barry W. Boehm to give an estimate of the number of man months it will take to develop a software product. This 'COnstructive COst MOdel' is based on a study of about 60 projects at TRW.
Calico v.7.0.0.158
Calico is a tool for performing COCOMO calibrations. You can use it to calibrate traditional COCOMO models, as well as COCOMO II models.