Interestingly your opinion that needs to be changed or added for
modelling of systems in JMCAD.

There was a new version- JMCAD-03.051 release.
Interestingly your opinion on the further development JMCAD.

JMCAD is an program for the modeling and simulation of dynamic
systems. This includes the ability to construct and simulate block
diagrams. The visual block diagram interface offers a simple method
for constructing, modifying complex system models.

Project detail and discuss:
http://jmcad.sourceforge.net/
http://sourceforge.net/projects/jmcad/

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