Hi all, I'm glad to inform you about new release of our free (BSD-licensed) soft OpenOpt 0.28 (numerical optimization), FuncDesigner 0.18 (CAS with automatic differentiation), DerApproximator 0.18 (finite- differeces derivatives approximation).

More details here: http://forum.openopt.org/viewtopic.php?id=222

Regards, D.