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    80 repositories

    • HiGHS

      Public
      A mirror of the HiGHS LP solver repository. Do not open pull-requests here.
      C++
      •
      MIT License
      •261•4•0•0•Updated Nov 3, 2025Nov 3, 2025

    • Cbc

      Public
      COIN-OR Branch-and-Cut solver
      C++
      •
      Other
      •131•946•155•2•Updated Oct 30, 2025Oct 30, 2025

    • Clp

      Public
      COIN-OR Linear Programming Solver
      C++
      •
      Other
      •90•468•41•3•Updated Oct 28, 2025Oct 28, 2025

    • pulp

      Public
      A python Linear Programming API
      pythonsolverconstraintspulpmip
      Python
      •
      Other
      •420•2.4k•82•11•Updated Oct 28, 2025Oct 28, 2025

    • Cgl

      Public
      Cut Generator Library
      C++
      •
      Other
      •18•27•15•3•Updated Oct 25, 2025Oct 25, 2025

    • cuopt

      Public
      This is a mirror of the NVIDIA cuOpt project. Please do not open PRs here.
      Cuda
      •
      Apache License 2.0
      •88•9•0•0•Updated Oct 24, 2025Oct 24, 2025

    • CoinUtils

      Public
      COIN-OR Utilities
      C++
      •
      Other
      •43•49•24•3•Updated Oct 24, 2025Oct 24, 2025

    • GAMSlinks

      Public
      Links between GAMS (General Algebraic Modeling System) and solvers
      C++
      •
      Other
      •3•13•0•0•Updated Oct 21, 2025Oct 21, 2025

    • Gravity

      Public
      Mathematical Modeling for Optimization and Machine Learning
      machine-learningoptimization-toolsmodeling-tool
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •31•157•0•0•Updated Oct 2, 2025Oct 2, 2025

    • Ipopt

      Public
      COIN-OR Interior Point Optimizer IPOPT
      C++
      •
      Eclipse Public License 2.0
      •299•1.7k•4•3•Updated Sep 30, 2025Sep 30, 2025

    • SYMPHONY

      Public
      SYMPHONY is an open-source solver, callable library, and development framework for mixed-integer linear programs (MILPs) written in C with a number of unique features
      C
      •
      Other
      •19•71•68•1•Updated Sep 25, 2025Sep 25, 2025

    • ADOL-C

      Public
      A Package for Automatic Differentiation of Algorithms Written in C/C++
      C++
      •
      Other
      •37•166•52•7•Updated Sep 24, 2025Sep 24, 2025

    • qpOASES

      Public
      Open-source C++ implementation of the recently proposed online active set strategy
      C++
      •
      GNU Lesser General Public License v2.1
      •145•490•79•1•Updated Sep 17, 2025Sep 17, 2025

    • coinbrew

      Public
      COIN-OR build and installation script
      Shell
      •15•34•10•1•Updated Sep 3, 2025Sep 3, 2025

    • python-mip

      Public
      Python-MIP: collection of Python tools for the modeling and solution of Mixed-Integer Linear programs
      optimizationmodelinglinear-programmingoptimization-toolsoptimization-algorithmsoptimization-frameworkmipinteger-programming
      Linear Programming
      •
      Eclipse Public License 2.0
      •101•579•105•8•Updated Aug 27, 2025Aug 27, 2025

    • Osi

      Public
      Open Solver Interface
      C++
      •
      Other
      •43•61•17•2•Updated Aug 22, 2025Aug 22, 2025

    • SHOT

      Public
      A solver for mixed-integer nonlinear optimization problems
      optimizationsolverminlpglobal-optimizationoptimization-methodsoptimization-library
      C++
      •
      Eclipse Public License 2.0
      •26•126•9•2•Updated Aug 13, 2025Aug 13, 2025

    • prtpy

      Public
      Number partitioning in Python
      Python
      •
      MIT License
      •22•53•1•0•Updated Aug 8, 2025Aug 8, 2025

    • clp-spreadsheet-solver

      Public
      Representing, solving, and visualizing Container Loading Problems, also known as 3D bin packing problems. Also contains BPP Spreadsheet Solver, a 2D Bin Packing Problem solver.
      Eclipse Public License 2.0
      •2•3•0•0•Updated Aug 7, 2025Aug 7, 2025

    • Dip

      Public
      DIP is a decomposition-based solver framework for mixed integer linear programs.
      C++
      •
      Eclipse Public License 1.0
      •8•20•80•0•Updated Jul 23, 2025Jul 23, 2025

    • CHiPPS-BiCePS

      Public
      This is the Branch, Constrain, and Price Software (BiCePS), a layer of the COIN-OR High Performance Parallel Search framework supporting the implementation of relaxation-based optimization algorithms.
      Shell
      •
      Eclipse Public License 1.0
      •5•8•5•0•Updated Jul 21, 2025Jul 21, 2025

    • CHiPPS-ALPS

      Public
      This is the Abstract Library for Parallel Search (ALPS), the abstract base layer of the COIN-OR High Performance Parallel Search framework.
      C++
      •
      Eclipse Public License 1.0
      •8•11•11•0•Updated Jul 17, 2025Jul 17, 2025

    • CHiPPS-BLIS

      Public
      This is the BiCePS Linear Integer Solver (BLIS), a parallel solver for mixed integer linear programs that is implemented on top of the BiCePS layer of the CHiPPS framework.
      C++
      •
      Eclipse Public License 1.0
      •6•8•2•0•Updated Jul 17, 2025Jul 17, 2025

    • MibS

      Public
      A solver for mixed integer bilevel programs
      JetBrains MPS
      •
      Other
      •19•55•6•3•Updated Jul 17, 2025Jul 17, 2025

    • minotaur

      Public
      Minotaur Toolkit for Mixed-Integer Nonlinear Optimization
      open-sourcenonlinear-optimizationoptimization-algorithmscombinatorial-optimizationmixed-integer-programminginteger-optimization
      C++
      •
      Other
      •24•80•25•0•Updated Jul 11, 2025Jul 11, 2025

    • CyLP

      Public
      A Python interface to CLP, CBC, and CGL to solve LPs and MIPs.
      JetBrains MPS
      •
      Other
      •70•190•60•3•Updated Jul 1, 2025Jul 1, 2025

    • CppAD

      Public
      A C++ Algorithmic Differentiation Package: Home Page
      C++
      •
      Other
      •104•540•7•2•Updated Jun 23, 2025Jun 23, 2025

    • pyomo

      Public
      An object-oriented algebraic modeling language in Python for structured optimization problems. This is a mirror, do not open pull requests here.
      Python
      •
      Other
      •560•1•0•0•Updated May 7, 2025May 7, 2025

    • GiMPy

      Public
      A graph library containing pure Python implementations of a variety of graph algorithms
      Python
      •
      Eclipse Public License 1.0
      •12•34•1•0•Updated Apr 21, 2025Apr 21, 2025

    • rbfopt

      Public
      RBFOpt library for black-box optimization
      Python
      •
      Other
      •32•195•1•0•Updated Mar 30, 2025Mar 30, 2025