org.optaplanner:optaplanner-javadoc (maven):  OptaPlanner solves planning problems. This lightweight, embeddable planning engine implements powerful and scalable algorithms to optimize business resource scheduling and planning. This module is just the multiproject parent. The planning engine itself is in optaplanner-core. 
Keywords: artificial-intelligence|branch-and-bound|constraint-programming|constraint-satisfaction-problem|constraint-solver|constraints|employee-rostering|java|local-search|mathematical-optimization|metaheuristics|optimization|rostering|scheduling|simulated-annealing|solver|tabu-search|traveling-salesman|traveling-salesman-problem|vehicle-routing-problem