Metaheuristics Metaheuristics implementations for TSP, CVRP and WFCRP. Instances TSPLIB CVRPLIB Algorithms Exact Gurobi Optimizer Held-Karp Algorithm, also called Bellman-Held-Karp Algorithm Metaheuristics Ant Colony Optimization Genetic Algorithm Particle Swarm Optimization Simulated Annealing Local Search 2-opt Modified 2-opt for VRP Split Algorithm