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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

7.1.0.Final released

Mon 17 July 2017

Upcoming events

Drools, jBPM and OptaPlanner day New York
New York, NY, US - Tue 26 September 2017
- Constraint solver A.I.: Optimizing business decisions and operations by Geoffrey De Smet
Drools, jBPM and OptaPlanner day Washington DC
Washington, DC, US - Thu 28 September 2017
- Constraint solver A.I.: Optimizing business decisions and operations by Geoffrey De Smet
Devoxx Be
Antwerp, Belgium - Mon 6 November 2017

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