Google OR-Tools

Google OR-Tools is an open-source, fast, and portable software suite for solving combinatorial optimization problems. It provides a comprehensive collection of solvers for linear programming, mixed-integer programming, constraint programming (CP-SAT), vehicle routing, and network flow problems. Written primarily in C++, it offers official wrappers for Python, C#, and Java. As of version 9.15.6755, the library is actively developed with frequent releases delivering new features, performance enhancements, and bug fixes across its various solvers.