Solver Software | Open Source

: A widely used, reliable MIP solver often paired with Python modeling libraries. Nonlinear Programming (NLP):

: Currently considered the state-of-the-art open-source solver for LP. It features a high-performance interior point method and dual simplex solvers. Solver Software Open Source

: A newer C-package designed for large-scale NLP using successive linear and quadratic programming. Comparison: Open Source vs. Commercial : A widely used, reliable MIP solver often

Problems where some variables must be whole numbers (e.g., "number of trucks"). : A newer C-package designed for large-scale NLP

: A long-standing, lightweight solver. While sometimes slower than newer alternatives, it is highly memory-efficient for large, simpler problems.

: One of the fastest non-commercial solvers for MIP and Mixed-Integer Nonlinear Programming (MINLP). As of late 2025, major versions are available under the Apache 2.0 open-source license.

: The industry standard for large-scale continuous nonlinear optimization, used extensively in scientific computing.