This project hosts operations research tools developed at Google and
made available as open source under the Apache 2.0 License.

The project contains several tools:

- A Constraint Programming solver
- A Linear Programing solvers
- Wrappers around commercial and other open source solvers, including mixed integer solvers
  - CBC, CLP, CPLEX, GLPK, Gurobi, SCIP and XPRESS
- Bin packing and knapsack algorithms
- Graph algorithms:
  - shortest paths
  - min-cost flow
  - max flow
  - linear sum assignment
