Constraint Solvers
OptaPlanner solves planning problems.
This lightweight, embeddable planning engine implements powerful and scalable algorithms
to optimize business resource scheduling and planning.
Last Release on Mar 28, 2026
Open-source constraint solver.
Last Release on May 22, 2026
Timefold solves planning problems.
This lightweight, embeddable planning engine implements powerful and scalable algorithms
to optimize business resource scheduling and planning.
Last Release on Jul 10, 2026
A Scala front-end for the JaCoP constraints solver library
Last Release on Feb 9, 2026
Finite domain solver written in java.
Last Release on Nov 18, 2023