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    81 repositories

    • HiGHS

      Public
      A mirror of the HiGHS LP solver repository. Do not open pull-requests here.
      C++
      •
      MIT License
      •285•5•0•0•Updated Feb 19, 2026Feb 19, 2026

    • ADOL-C

      Public
      A Package for Automatic Differentiation of Algorithms Written in C/C++
      C++
      •
      Other
      •40•175•54•8•Updated Feb 19, 2026Feb 19, 2026

    • balans

      Public
      [IJCAI'25] Bandit-based Adaptive Large-Neighborhood Search
      Linear Programming
      •
      Apache License 2.0
      •0•16•0•0•Updated Feb 17, 2026Feb 17, 2026

    • Cbc

      Public
      COIN-OR Branch-and-Cut solver
      C++
      •
      Other
      •137•975•158•2•Updated Feb 16, 2026Feb 16, 2026

    • Osi

      Public
      Open Solver Interface
      C++
      •
      Other
      •44•62•17•2•Updated Feb 16, 2026Feb 16, 2026

    • 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
      •104•586•106•7•Updated Feb 15, 2026Feb 15, 2026

    • SHOT

      Public
      A solver for mixed-integer nonlinear optimization problems
      optimizationsolverminlpglobal-optimizationoptimization-methodsoptimization-library
      C++
      •
      Eclipse Public License 2.0
      •26•130•9•2•Updated Feb 10, 2026Feb 10, 2026

    • Ipopt

      Public
      COIN-OR Interior Point Optimizer IPOPT
      C++
      •
      Eclipse Public License 2.0
      •305•1.7k•8•3•Updated Feb 1, 2026Feb 1, 2026

    • Cgl

      Public
      Cut Generator Library
      C++
      •
      Other
      •18•25•17•3•Updated Jan 23, 2026Jan 23, 2026

    • CoinUtils

      Public
      COIN-OR Utilities
      C++
      •
      Other
      •45•51•24•3•Updated Jan 21, 2026Jan 21, 2026

    • Dip

      Public
      DIP is a decomposition-based solver framework for mixed integer linear programs.
      C++
      •
      Eclipse Public License 1.0
      •8•21•80•0•Updated Jan 14, 2026Jan 14, 2026

    • MibS

      Public
      A solver for mixed integer bilevel programs
      JetBrains MPS
      •
      Other
      •19•58•7•4•Updated Jan 14, 2026Jan 14, 2026

    • 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 fe…
      C
      •
      Other
      •19•74•69•1•Updated Jan 14, 2026Jan 14, 2026

    • DyLP

      Public
      Dynamic Simplex solver
      C
      •
      Other
      •6•3•1•0•Updated Jan 14, 2026Jan 14, 2026

    • 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 CHiPP…
      C++
      •
      Eclipse Public License 1.0
      •6•8•2•0•Updated Jan 14, 2026Jan 14, 2026

    • 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 r…
      Shell
      •
      Eclipse Public License 1.0
      •5•8•5•0•Updated Jan 14, 2026Jan 14, 2026

    • 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 Jan 14, 2026Jan 14, 2026

    • Clp

      Public
      COIN-OR Linear Programming Solver
      C++
      •
      Other
      •95•481•41•3•Updated Jan 11, 2026Jan 11, 2026

    • minotaur

      Public
      Minotaur Toolkit for Mixed-Integer Nonlinear Optimization
      open-sourcenonlinear-optimizationoptimization-algorithmscombinatorial-optimizationmixed-integer-programminginteger-optimization
      C++
      •
      Other
      •25•81•25•0•Updated Jan 9, 2026Jan 9, 2026

    • CppAD

      Public
      A C++ Algorithmic Differentiation Package: Home Page
      C++
      •
      Other
      •111•559•7•1•Updated Jan 4, 2026Jan 4, 2026

    • CyLP

      Public
      A Python interface to CLP, CBC, and CGL to solve LPs and MIPs.
      JetBrains MPS
      •
      Other
      •70•191•62•3•Updated Dec 3, 2025Dec 3, 2025

    • pulp

      Public
      A python Linear Programming API
      pythonsolverconstraintspulpmip
      Python
      •
      Other
      •425•2.4k•88•14•Updated Nov 24, 2025Nov 24, 2025

    • cuopt

      Public
      This is a mirror of the NVIDIA cuOpt project. Please do not open PRs here.
      Cuda
      •
      Apache License 2.0
      •125•13•0•0•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

    • qpOASES

      Public
      Open-source C++ implementation of the recently proposed online active set strategy
      C++
      •
      GNU Lesser General Public License v2.1
      •148•517•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

    • prtpy

      Public
      Number partitioning in Python
      Python
      •
      MIT License
      •22•55•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…
      Eclipse Public License 2.0
      •2•4•0•0•Updated Aug 7, 2025Aug 7, 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
      •566•1•0•0•Updated May 7, 2025May 7, 2025