Yantian.com

Klaus Schittkowski's Optimization Software
Nonlinear programming codes: SQP, least squares, multicriteria optimization, data fitting in ODEs, DAEs, PDEs, PDAEs.
www.uni-bayreuth.de/

Modulopt Optimization Routines
Fortran 77 codes for unconstrained, bound constrained, and nonlinearly constrained optimization.
www-rocq.inria.fr/

Nonlinear Constrained Optimization
Solves online constrained optimization problems specified by the user as Fortran programs.
arc.engin.umich.edu/

Computational Optimization and Applications
Codes from journal, in Fortran, Matlab, C, and C++.
www.ici.ro/

Network Optimization Codes
By Dimitri P. Bertsekas.
www.mit.edu/

Optimization Software Developed by J. Nocedal's Research Team
KNITRO, General Nonlinear Programming Solver; L-BFGS, Limited Memory Codes; PREQN, Preconditioning the Conjugate Gradient Method; and CG+, Conjugate Gradient Software.
www.ece.northwestern.edu/

Ladislav Luksan Optimization Code
Fortran 77 codes for nondifferentiable, large-scale, or dense nonlinear optimization.
www.uivt.cas.cz/

Center for Advanced Modeling and Optimization
Site includes information about modeling and optimization systems, modeling languages for mathematical programming, linear and nonlinear programming packages, and other optimization software.
www.ici.ro/

Optimization Frequently Asked Questions
Linear and non-linear programming FAQs.
www-unix.mcs.anl.gov/

Pseudo-Boolean Optimization (PBO) Web-Project
Software, benchmarks, events, people, bibliography, quadratic optimization.
rutcor.rutgers.edu/