# Overview

You can find here the documentation for the two following OR-Tools components.

*   [CP Solver](CP.md)

    Constraint programming (CP) is the name given to identifying feasible
    solutions out of a very large set of candidates, where the problem can be
    modeled in terms of arbitrary constraints.

    **note:** We **strongly recommend** using the [CP-SAT solver](../../sat)
    rather than the original CP solver.

*   [Routing Solver](ROUTING.md)

    A specialized library for identifying best vehicle routes given constraints.

    This library extension is implemented on top of the CP Solver library.