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COOOL

An object-oriented optimization library Find COOOL at: http://www.cwp.mines.edu/cwpcodes/coool/

Rating: 5.0. From 1 vote.
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GLPK

GLPK (GNU Linear Programming Kit) is intended for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems. It is a set of routines written in ANSI C and organized in the form of a callable library. … Continue reading

Rating: 4.1. From 16 votes.
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COIN-OR

The Computational Infrastructure for Operations Research (COIN-OR) project is an initiative to spur the development of open-source software for the operations research community. Projects include linear and nonlinear optimization solvers and a tabu search framework. Find COIN-OR at: http://www.coin-or.org/

Rating: 4.0. From 6 votes.
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LP_Solve

What is lp_solve and what is it not? The simple answer is, lp_solve is a Mixed Integer Linear Programming (MILP) solver. It is a free (see LGPL for the GNU lesser general public license) linear (integer) programming solver based on … Continue reading

Rating: 3.9. From 32 votes.
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GOBLIN Graph Library

A C++ library on graph optimization. The GUI includes a graph editor and can be used to run and to visualize the library algorithms. Find GOBLIN Graph Library at: http://www.math.uni-augsburg.de/opt/goblin.html

Rating: 3.9. From 9 votes.
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GAlib

GAlib contains a set of C++ genetic algorithm objects. Find GAlib at: http://lancet.mit.edu/ga/

Rating: 3.7. From 3 votes.
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OpenOpt

Universal cross-platform (Win, Linux, Mac OS) Python-written numerical optimization toolbox. License: new BSD. Problems: NLP, LP, QP, SDP, SOCP, DFP(Non-linear Data Fit), NSP(nonsmooth), MILP, LSP, LLSP, MMP, GLP, MINLP etc. Connects to dozens of solvers (some are C- or Fortran-written). … Continue reading

Rating: 3.5. From 4 votes.
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QUALEX-MS

QUick ALmost EXact Maximum Weight Clique/Independent Set Solver based on the Motzkin-Straus QP formulation Find QUALEX-MS at: http://www.stasbusygin.org/

Rating: 3.4. From 5 votes.
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EASY!

EASY! is an easy to use fortran code for constrained and unconstrained non-linear optimization. Very large problems can be handled. Find EASY! at: http://www.ime.unicamp.br/~martinez/software.html

Rating: 3.2. From 9 votes.
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StarFLIP++

A reusable iterative optimization library for combinatorial problems with fuzzy constraints Find StarFLIP++ at: http://www.dbai.tuwien.ac.at/proj/StarFLIP/

Rating: 2.0. From 2 votes.
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