OptaPlanner

OptaPlanner is an Open Source Constraint Solver. It solves constraint satisfaction problems with construction heuristics and metaheuristic algorithms, using multithreaded incremental solving.[1] OptaPlanner is written in Java and works in Kotlin and Scala too.

OptaPlanner
Developer(s)Red Hat
Stable release
8.0.0.Final / November 27, 2020 (2020-11-27)
Repository
Written inJava
Operating systemCross-platform
TypeMathematical optimization
LicenseASL 2
Websitehttps://www.optaplanner.org

OptaPlanner development is sponsored by Red Hat, which sells an enterprise support subscription for it.

History

It was founded by Geoffrey De Smet in 2006 under the name Taseree.[2] In 2007, it joined the Drools project as Drools Solver. In 2009 it renamed to Drools Planner. In March 2013, it graduated from Drools project and finally renamed to OptaPlanner. It is under continuous development by a dedicated core team (employed by Red Hat) and external community contributors.[3]

Red Hat's support product for OptaPlanner is called Red Hat Business Optimizer (before 2018 it was called Red Hat JBoss Business Resource Planner). Between March 2014 and March 2015, Red Hat's BRMS and BPM Suite 6.0 subscriptions included it as Tech Preview. As of April 2015, BRMS and BPM Suite 6.1 and higher include it as Full Support.[4]

Research competitions results

OptaPlanner contributors regularly compete against academic researchers in research competitions. Their results include:

References
  1. Multithreaded incremental solving for local search based metaheuristics with step chasing
  2. A decade of OptaPlanner
  3. OptaPlanner - Team
  4. Red Hat Helps Enterprises Optimize Complex Planning and Scheduling Challenges with New Business Resource Planner
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