List of Optimization Problem Libraries

This is a list of optimization problem libraries collected from the answers to this question on OR Stack Exchange site.

If you have any suggestions or corrections, especially if I miscategorized something, feel free to make a pull request.

Traveling Salesman Problem

• TSPLIB
• National Traveling Salesman Problems
• VLSI Data Sets: Collection of 102 TSP instances

(Vehicle) Routing Problems

• Vehicle Routing Problem
• HEC Data
• VRP-REP
• Pickup and Delivery Problems
• Orienteering Problem
• OPLIB: Orienteering Problem
• CVRPLIB: Capacitated Vehicle Routing Problem Library

Packing Problems

• PackLib: Packing
• Bin Packing
• Set Covering and Packing

Flowshop and Jobshop Problems

• Flow shop and Routing Problems
• Flow Shop Sequncing, Job Shop, and Open Shop Scheduling
• Job Shop Scheduling of Taillard's and Demirkol's instances

Location Problems

• UflLib: Uncapacitated Facility Location
• Discrete Location Problems
• CLRLib: Capacitated Location Routing

Steiner Tree Problem

• SteinLib: Steiner Tree Problems
• Prize Collecting Steiner Tree

Quadratic (Constrained or Unconstrained) Problems

• QPLIB: A Library of Quadratic Programming Instances
• QAPLIB: Quadratic Assignment Problem Library
• General Mixed Integer Quadratically Constrained Problems
• Biq Mac Library: a Binary Quadratic and Max Cut Library

Global Optimization

• Global Optimization Test Problems (Hedar list)
• Global Optimization Test Problems (Neumaier list)
• Handbook of Test Problems in Local and Global Optimization

Collection of Several Test Data Sets

• Beasley's OR Library
• Bin Packing, Quadratic Assigment, Cutting Stock, Vehicle Routing
• Maximum Clique, Maximum Independent Set, Minimum Vertex Cover, Vertex Coloring
• Atamturk Datasets on fixed-charge flow, lot sizing, mixed-integer knapsack, and more
• OptaPlanner Examples Problem Definitions and Data Sets
• GiC Data Sets

Stochastic Programming Test Sets

• SIPLIB: Stochastic Integer Programming Test Problems
• Jeff Linderoth, Alex Shapiro, and Stephen Wright
• POSTS: (PO)rtable (S)tochastic programming (T)est (S)et
• Test-Problem Collection for Stochastic Linear Programming (Andy Felt)
• cORe: (c)omputational (O)perations (R)esearch (e)xchange (Suvrajeet Sen)
• WATSON pension fund management test problems

Multi-Objective Optimization

• vOptLib: Multi-Objective Linear Optimization Problems
• Multi-Objective Optimization Repository (MOrepo)

Miscellaneous

• MIPLIB 2017: Mixed Integer Programming
• MINLPLib: Mixed Integer and Continuous Nonlinear Programming
• CSPlib: Constraint Optimization and Satisfaction
• SIMOPT: (Stochastic) Simulation Optimization Library
• CBLIB: The Conic Benchmark Library
• QBFLIB: Quantified Boolean Formulas
• BASBLib: Bilevel Programming Problems
• COMPlib: COnstraint Matrix Optimization Problem Library
• CUTEr/st: Constrained and Unconstrained (Nonlinear Optimization) Testing Environment
• SDPLIB 1.2, A Library of Semidefinite Programming Test Problems
• NWLPLIB: Wireless Localization
• MIRPLIB: Maritime Inventory Routing Problems
• PSPLIB: Project Scheduling Problems
• TTPLib: Train Timetabling Problem Library
• Employee Shift Scheduling
• Graph Partitioning
• Graph Coloring
• Shortest Paths
• Frequency Assignment Problems
• Traveling Umpire Problem
• Combinatorial Auction Test Suite (CATS)