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License

OptaPlanner is open source software, released under the Apache Software License 2.0.

This license is very liberal: it allows reuse for commercial purposes. Read the layman’s explanation for more information.

Latest blog posts

Visualize the score and the constraints

Mon 13 March 2017
Formula for measuring unfairness

Fri 3 February 2017
How to become US president with less than a quarter of the votes

Tue 6 December 2016
Domain modeling guide

Wed 26 October 2016
A decade of OptaPlanner

Sun 7 August 2016
7 ways to fail your optimization project

Mon 18 April 2016
What is the bottleneck in my Solver?

Fri 12 February 2016

Latest releases

7.0.0.Final released

Mon 29 May 2017
7.1.0.Beta2 released

Thu 1 June 2017

Upcoming events

London Java Community
London, UK - Mon 10 July 2017
- Constraint solving in Java with OptaPlanner by Geoffrey De Smet
RuleML+RR
London, UK - Fri 14 July 2017
- Real-time Constraint Solving with OptaPlanner by Geoffrey De Smet
Devoxx Be
Antwerp, Belgium - Mon 6 November 2017

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