Lancelot Fortran 77 package for solving unconstrained and constrained optimization problems, systems of nonlinear equations, and nonlinear least-squares problems. http://www.cse.clrc.ac.uk/nag/lancelot/ Clrc.ac.uk~Site InfoWhoisTrace RouteRBL Check
CirCut Fortran 90 package for finding approximate solutions of certain binary quadratic programs, currently including the Max-Cut and the Max-Bisection problems. http://www.caam.rice.edu/~zhang/circut/index.html Rice.edu~Site InfoWhoisTrace RouteRBL Check
Stanford Business Software Sells Fortran 77 optimization codes MINOS (linear programming and nonlinear optimization), SNOPT (large-scale quadratic and nonlinear programming), NPSOL (nonlinear programming), LSSOL (Linearly constrained linear least squares problems and convex quadra http://www.sbsi-sol-optimize.com/ Sbsi-sol-optimize.com~Site InfoWhoisTrace RouteRBL Check
Modulopt Optimization Routines Fortran 77 codes for unconstrained, bound constrained, and nonlinearly constrained optimization. http://www-rocq.inria.fr/~gilbert/modulopt/optimization-routines/optimization-routines.html Inria.fr~Site InfoWhoisTrace RouteRBL Check
Minpack Fortran 77 code for solving nonlinear equations and nonlinear least squares problems. Five algorithmic paths each include a core subroutine and an easy-to-use driver. The algorithms proceed either from an analytic specification of the Jacobian matrix http://www.netlib.org/minpack/ Netlib.org~Site InfoWhoisTrace RouteRBL Check