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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
      •317•5•0•0•Updated May 26, 2026May 26, 2026

    • Ipopt

      Public
      COIN-OR Interior Point Optimizer IPOPT
      C++
      •
      Eclipse Public License 2.0
      •315•1.8k•10•4•Updated May 25, 2026May 25, 2026

    • Cgl

      Public
      Cut Generator Library
      C++
      •
      Other
      •19•26•18•3•Updated May 25, 2026May 25, 2026

    • pulp

      Public
      A python Linear Programming API
      pythonsolverconstraints
      pythonsolverconstraintspulpmip
      Python
      •
      Other
      •427•2.4k•75•2•Updated May 25, 2026May 25, 2026

    • SHOT

      Public
      A solver for mixed-integer nonlinear optimization problems
      optimizationsolverminlp
      optimizationsolverminlpglobal-optimizationoptimization-methodsoptimization-library
      C++
      •
      Eclipse Public License 2.0
      •27•131•6•2•Updated May 23, 2026May 23, 2026

    • Cbc

      Public
      COIN-OR Branch-and-Cut solver
      C++
      •
      Other
      •137•993•160•2•Updated May 22, 2026May 22, 2026

    • balans

      Public
      [IJCAI'25] Bandit-based Adaptive Large-Neighborhood Search
      Linear Programming
      •
      Apache License 2.0
      •0•19•0•0•Updated May 18, 2026May 18, 2026

    • Clp

      Public
      COIN-OR Linear Programming Solver
      C++
      •
      Other
      •97•487•41•3•Updated May 18, 2026May 18, 2026

    • CoinUtils

      Public
      COIN-OR Utilities
      C++
      •
      Other
      •46•50•25•3•Updated May 15, 2026May 15, 2026

    • cuopt

      Public
      This is a mirror of the NVIDIA cuOpt project. Please do not open PRs here.
      Cuda
      •
      Apache License 2.0
      •173•14•0•0•Updated May 14, 2026May 14, 2026

    • ADOL-C

      Public
      A Package for Automatic Differentiation of Algorithms Written in C/C++
      C++
      •
      Other
      •42•181•56•8•Updated May 13, 2026May 13, 2026

    • qpOASES

      Public
      Open-source C++ implementation of the recently proposed online active set strategy
      C++
      •
      GNU Lesser General Public License v2.1
      •151•537•79•1•Updated May 12, 2026May 12, 2026

    • Osi

      Public
      Open Solver Interface
      C++
      •
      Other
      •45•63•18•2•Updated May 6, 2026May 6, 2026

    • python-mip

      Public
      Python-MIP: collection of Python tools for the modeling and solution of Mixed-Integer Linear programs
      optimizationmodelinglinear-programming
      optimizationmodelinglinear-programmingoptimization-toolsoptimization-algorithmsoptimization-frameworkmipinteger-programming
      Linear Programming
      •
      Eclipse Public License 2.0
      •107•595•108•7•Updated May 4, 2026May 4, 2026

    • CppAD

      Public
      A C++ Algorithmic Differentiation Package: Home Page
      C++
      •
      Other
      •115•580•8•1•Updated Apr 30, 2026Apr 30, 2026

    • MibS

      Public
      A solver for mixed integer bilevel programs
      Mathematical Programming System
      •
      Other
      •20•62•8•5•Updated Apr 25, 2026Apr 25, 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 Apr 25, 2026Apr 25, 2026

    • coinbrew

      Public
      COIN-OR build and installation script
      Shell
      •14•33•10•0•Updated Apr 25, 2026Apr 25, 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•76•69•1•Updated Apr 25, 2026Apr 25, 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 Apr 25, 2026Apr 25, 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 Apr 25, 2026Apr 25, 2026

    • DyLP

      Public
      Dynamic Simplex solver
      C
      •
      Other
      •6•3•1•0•Updated Apr 25, 2026Apr 25, 2026

    • minotaur

      Public
      Minotaur Toolkit for Mixed-Integer Nonlinear Optimization
      open-sourcenonlinear-optimizationoptimization-algorithms
      open-sourcenonlinear-optimizationoptimization-algorithmscombinatorial-optimizationmixed-integer-programminginteger-optimization
      C++
      •
      Other
      •25•83•25•0•Updated Apr 14, 2026Apr 14, 2026

    • GrUMPy

      Public
      A Python library for visualizing algorithms for solving mathematical optimization problems.
      Shell
      •
      Eclipse Public License 1.0
      •23•70•5•0•Updated Apr 3, 2026Apr 3, 2026

    • GiMPy

      Public
      A graph library containing pure Python implementations of a variety of graph algorithms
      Python
      •
      Eclipse Public License 1.0
      •12•35•1•0•Updated Apr 2, 2026Apr 2, 2026

    • FlopCpp

      Public
      An open source algebraic modelling language implemented as a C++ class library
      Shell
      •
      Other
      •2•11•19•1•Updated Mar 16, 2026Mar 16, 2026

    • Dip

      Public
      DIP is a decomposition-based solver framework for mixed integer linear programs.
      C++
      •
      Eclipse Public License 1.0
      •9•22•82•2•Updated Jan 14, 2026Jan 14, 2026

    • CyLP

      Public
      A Python interface to CLP, CBC, and CGL to solve LPs and MIPs.
      JetBrains MPS
      •
      Other
      •70•192•63•3•Updated Dec 3, 2025Dec 3, 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
      machine-learningoptimization-toolsmodeling-tool
      C++
      •
      BSD 3-Clause "New" or "Revised" License
      •31•156•0•0•Updated Oct 2, 2025Oct 2, 2025
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