List of Queueing Theory Software

This page gives a list of queueing theory software. The list was compiled by Dr. Myron Hlynka of the University of Windsor, who welcomes any additions to the list. His e-mail address is
The URL of this page is
Last updated: February 15, 2021.

  1. (Feb., 2021)QSA Applications. from University of Debrcen (Hungary)
    It has been developed to help queueing related education, but it is very useful for research purposes, too. Besides the usual mean value it calculates the variance of the main performance measures, and where it is possible determines the distribution function of the waiting and response times, as well. In addition, it visualizes these metrics and one of the most important features of this tool that it runs on most devices, including smartphones which helps the work of a teacher. It is integrated into the lecture note
  2. (2018)KPC-Toolbox. "KPC-Toolbox is a library of MATLAB functions for fitting an empirical dataset into a Markov model such as a phase-type distribution (PH) or a Markovian arrival process (MAP)."
  3. (added March 10, 2017)
    The R package queuecomputer
    queuecomputer is a computationally efficient method for simulating queues with arbitrary arrival and service times. There is a submitted paper on arXiv
    describing the algorithm used in the package. Examples can be found within the arXiv paper and the vignette
    A web app based on the package is available at
    Kind regards, Anthony Ebert
  4. Octave-Forge - Extra packages for GNU Octave (added June 10, 2014)
  5. Java Modelling Tools(added June 10, 2014)
  6. Solutions to Queueing Systems (added June 10, 2014)
  7. Queueing Theory Calculator. (confirmed February 28, 2014).
  8. Call Center calculator and several others. (confirmed Feb. 28, 2014)
  9. Communications Engineering: Queueing Simulation demo (added Feb. 1, 2014)
    A few comments:
  10. Queueing Simulation demo (added Feb. 1, 2014)
  11. Queueing Simulation demo (added Feb. 1, 2014)
  12. (added June, 2013)
    DATAPLOT. This is not a queueing package but it includes some useful distributions used in queueing (like Borel Tanner).
  13. Erlang Library for Excel (added November, 2012)
    "This Excel add-in works in all versions of Excel and provides efficient implementations of many queueing functions related to the Erlang C and Erlang B queueing models. The functions are made available as worksheet functions in Excel. See my website, or do a google search for “Erlang Library for Excel”"
  14. (added March 16, 2012) We have designed a tool which enables the simulation of extended queuing network models transparently on local or distributed environments, in particular on IEEE HLA (the most prominent standard for distributed simulation). Thank you, Daniele Gianni
    The tool webpage and the code are available through
  15. (added March 15, 2012) SimEvents with MATLAB and Simulink can be used for exploring queuing theory. Thanks, Teresa Hubscher-Younger
  16. (added Nov. 30, 2011)
    Please find below a link that leads to an online Queueing Theory Software tool. We provide a fast solution for the Ph/M/c/N-like and Ph/M/c-like queues based on a simple and stable recurrence that was recently accepted for publication by Journal of Applied Probability. In the future, we intend to extend this webstite to other queues such as M/Ph/1-like queue and Ph/Ph/1-like queue and Ph/Ph/c-like queues.
    Best regards, Thomas BEGIN and Alexandre BRANDWAJN
  17. (added July 24, 2011, message from Xavier Lagrange)
    "We developped in my university software related to queuing systems: VISTAD. It is not software to find solutions to some queuing problems but a tool for teaching : VISTAD is a simulator with a user-friendly interface. You can compare the results given by classical formulae (Erlang B, Erlang C) with simulation results. You can find it (Java applet) at:
  18. (added February 24, 2011)
    Basic Markovian queueing models (in R), from Pedro Canadilla.
  19. (added February 24, 2011)
    Queueing Simulation.
  20. (added February 15. 2011)
    qnetworks. Queueing Networks analysis package for GNU Octave.
    Find a manual at
  21. (added February 14, 2011)
    "Expokit is a software package that provides matrix exponential routines for small dense or very large sparse matrices, real or complex. "
  22. (added February 1, 2011) CADP ("Construction and Analysis of Distributed Processes") is a popular toolbox for the design of communication protocols and distributed systems.
  23. (added December 14, 2010) From B. Van Houdt:
    The QMAM tool consists of a set of MATLAB functions (i.e., .m files) to compute the queue length, waiting time and delay distribution of various queueing systems of infinite size. It includes amongst others implementations of the following queueing models both in discrete and continuous time: PH/PH/1, MAP/MAP/1, MAP/M/c, MAP/D/c, RAP/RAP/1, MMAP[K]/PH[K]/1, MMAP[K]/SM[K]/1, SM[K]/PH[K]/1. State-of-the-art solution techniques are used to solve these models effciently.
    The QMAM functions rely on the SMCSolver MATLAB tool (also available on this webpage) for solving QBD-, M/G/1- and GI/M/1-type Markov chains.
    Software Tools based on Matrix Analytic Methods:
  24. (updated Nov. 02, 2010) JAVA MODELLING TOOLS (JMT) Version 8.0 is a suite of applications developed by Politecnico di Milano and released under GPL license.
    The current stable version of the suite encompasses six Java applications:
  25. Some R programs for queueing and call centers by Christian Dombacher. (added May 23, 2010)
    Related documentation appears at
    Check out the entire site at
  26. SimulME software. (added December 25, 2009)
    "SimulME is a Java ME (J2ME) application with Queuing calculator, Stopwatch, Monte Carlo simulation, Random Number Generator (GNA), Probability distributions, Kolmogorov-Smirnov and Chi-square tests. It works with MIDP 2.0 and CLDC 1.1 profiles." (Carlos Bernardo)
  27. Jan 23, 2009. Queuing Theory Mathcad E-book by Stephen A. Thomas
    For information, go to
  28. QNet Approximator (added October 3, 2009)
    This software computes lower bounds on the optimal average cost for a broad class of queueing networks by solving an approximate linear program (ALP). It is fully documented and can use either the CPLEX or GLPK open-source solver. The accuracy of the bound and size of the LP can be controlled by selecting the form of the differential cost approximation, as a function of the queue lengths: linear, quadratic, certain exponential functions, indicator functions for certain states, and user-defined functions.
    The control problem minimizes a linear holding cost for multiclass networks or more general stochastic processing networks. Some capability is also provided to compute upper bounds and policies from ALP solutions. QNet Approximator is available at
    Most of the methods are described in the paper
    M.H. Veatch. Approximate dynamic programming for networks: Fluid models and constraint reduction . 2009.
    For more information, contact Mike Veatch
    This software was developed with support from NSF Grant CMMI-0620787.
  29. DELSI 2.0 (info added Apr. 23, 2008)
    Dr. H: I have a pleasure to introduce to you Discrete-event simulation system Delsi 2.0. The system is implemented as a set of components for .NET 2.0 Framework and designed for simulation of queuing systems with complex logic. The trial version of Delsi 2.0 has no expiration time and can be used in educational process. More information is available at
    If you have any questions or opinions, please, contact me.
    Herman Holushko, Holushko Software, Richmond Hill, ON, Canada
  30. Andrew Ross' links to queueing software.
  31. (added July 25, 2007)
    LQNS "solves layered queueing networks, which includes as a subset conventional mixed model queueing networks." Greg Franks. For more information, browse
  32. (added July 7, 2007)
    Clinic Planning Model Generator
    "We would like to nominate our queueing software, called the Clinic Planning Model Generator, designed specifically for public health emergency preparedness planners, for your list of Queueing Theory Software. The URL for the software is"
    Sincerely, Jeffrey W. Herrmann
  33. (added Sept. 25, 2006) GoldSim
    "our software extensively deals with simulation and queues, and we provide free academic versions for students and educators" (Tim Schmitt, Director of Marketing)
  34. (added Sept. 10, 2006) MOSEL 2. "MOSEL-2 is a textual model description language for the performance and reliability modeling of computer, communication, and manufacturing systems. "
  35. (added Sept. 10, 2006)
    1. SHARPE (Symbolic Hierarchical Automated Reliability and Performance Evaluator)
    2. SPNP (Stochastic Petri Net Package).
  36. (added October 5, 2005. Thanks to Haitham Abu Ghazaleh for his information.) WinPEPSY-QNS (Performance Evaluation and Prediction System for Queueing NetworkS) It claims to be able to accurately calculate various performance measures of queueing networks. It can be downloaded through the appropriate link on the following website
  37. (information updated Jan 1, 2010)
    Release of VisSim version 7.0, simulation environment. VisSim has interfaces to Maple, Mathcad and Matlab. A fully working trial is available.
    Information at
  38. Richard Steyn Health Service Models (updated December 1, 2010)
  39. Christenson's Tool Page (updated January 1, 2011)
  40. PhoneCalc Queueing Models (inserted June 10, 2005) by Mike Tanner. Copyright MITAN Ltd
  41. QTSPLUS (updated February 20, 2010)
    Spreadsheet Workbooks to Solve Queueing Models
    The QtsPlus software is distributed by John Wiley & Sons, Inc in connection with the book "Fundamentals of Queueing Theory," Fourth Edition, by Donald Gross, John Shortle, James Thompson and Carl Harris. The software is available freely from the Wiley public ftp server at
  42. (entered Feb. 12, 2005) Henk Tijms' software package MCQueue can be found at his web site
    and freely downloaded. This package contains two modules. The first module deals with steady-state and transient analysis for discrete-time and continuous-time Markov chains. The second module calculates performances measures including queue-length probabilities and waiting-time probabilities for a wide variety of queueing models ( M/G/1 queue, M/M/c queue, M/D/c queue, G/M/c queue, transient M/M/1 queue among others).
  43. (entered April, 2005) Ger Koole Call Center calculators. Erlang C. Abandonment. Costs.
  44. (entered April, 2005)
    An Erlang B Calculator for Call Centers.
  45. (entered June 8, 2004) Discrete Simulation software list 1.
  46. (updated June 1, 2010) SIMPY. Discrete Event Simulation Language. Public domain.
  47. (entered May 7, 2004) "We have developed Java applets for queueing formulas" Janos Strzik.
    PQTJ ( Practical Queueing Theory in Java )
  48. (updated January 1, 2011)
    Queueing ToolPak 4.0: (by A. Ingolfsson, U of Alberta)
    - A library of functions for MS Excel to calculate performance measures for M/M/s and M/M/s/s+C queueing systems and approximate performance measures for G/G/s systems. The spreadsheet functions make it easy to perform sensitivity analysis or incorporate queueing measures in economic models.
    - Available for free from
  49. (updated March 5, 2011)
    PDQ (Pretty Damn Quick) written in the C language and open-sourced under GPL.
    PDQ is also intended to accompany the book "The Practical Performance Analyst" by Neil Gunther
  50. (entered April 8, 2003)
    Open Directory Project (dmoz) SIMULATION. Editor Stanislaw Raczynski.
    A large list of links to a variety of different simulation packages.
  51. (entered March 4, 2003)
    Q1.0. A program for analysing queues. "Q was written by Marko Boon and Michel Vollebregt for the Faculty of Mathematics and Computer Science of the Eindhoven University of Technology. It was written for education purposes."
  52. (updated January 1, 2010)
    Software from the web site for the text book "Discrete-Event System Simulation" (fifth ed.) by Banks, Carson, Nelson, and Nicol. Click on Source Code.
  53. (entered Nov 5, 2002)
    QLib library. "The library implements a number of functions for solving several queueing problems encountered in the performace analysis of modern broadband communications networks. "
  54. (entered Sept. 23, 2002)
    MAM Solver. (Matrix Analytic Methods Solver).
  55. (entered April 19, 2002)
    Queuing Model Simulator (QMS). by Stanislaw Raczynski P.O.Box 22-783. 14000 Mexico D.F.Mexico.
  56. (updated December 15, 2010)
    PRISM: Probabilistic Symbolic Model Checker (Version 4.0) The tool can be downloaded free for academic purposes either in binary or source code form.
  57. (entered on Nov. 11, 2001) Demo-version of SIRIUS+. From Alexander Dudin. Available at his web site
    ``It is the software created for calculation of characteristics of different queues having the BMAP (batch Markovian Arrival Process) as input. The software was created by my students and PhD students during the past 5 years and mainly realizes our own theoretical results in this direction."
  58. (entered Oct. 16, 2001) Queueing Add-on for Excel to accompany Operations Research Models and Methods by Paul A. Jensen & Jonathan F. Bard.
  59. (entered Oct. 6, 2001) OMNeT++ and Queues. (The queueing tutorial is by Nicky van Foreest.)
  60. (entered Oct. 1, 2001)
    MARCA (Markov Chain Analyzer) by William Stewart.
  61. (entered Sept. 21, 2001)
    SAS(Statistical Analysis System) has an Operations Research module which includes a queueing simulation tool called QSIM.
  62. (entered Sept 7, 2001) Graphical spreadsheet queueing simulation. This page contains the files discussed in the article Graphical Spreadsheet Queueing Simulation, by Armann Ingolfsson and Tom Grossman, published in volume 2, number 2 of INFORMS Transactions on Education.
  63. (entered April, 2001) JPQ - Java Powered Queueing. Version 1.0 (Beta).
    Developed by Muhammad El-Taha and Bacel Maddah
    With the right plugin people will enjoy online computation.
    No need to download.
    No limit on number of servers in multiserver and loss models.
    compared to 170 servers in Excel based software. (No overflow problems)
    Easy to use and self explanatory notation.
  64. (information updated December 10, 2002)
    Telpack Version 2
    is now available for unrestricted general use free of charge. This new extended version is much more powerful than Version, and it works on Windows and Intel-Linux platforms.
    (Information from Nihat C. Oguz, University of Missouri - Kansas City School of Interdisciplinary Computing and Engineering)
    Telpack (Teletraffic Analysis Package) Version 2 solves a rich set of stochastic models and queueing problems frequently encountered in teletraffic analysis. These fall into two categories: 1) Discrete-state problems: G/M/1-and M/G/1-type structured Markov chains, QBD processes, combined G/M/1-M/G/1 structure, and discrete G/G/1 queue; 2) Continuous-state problems: MAP/G/1, PH/PH/1, MMPP/G/1, and GI/G/1 queues, and fluid-flow and Brownian motion models. Using Telpack, you can obtain stationary queue-length distributions for discrete-state problems, and stationary waiting time (unfinished work) distributions for continuous-state problems. These solutions take matrix-geometric and matrix-exponential forms, respectively. You can also obtain the moments and tail behavior characterizations of these distributions. For discrete-state problems, it also computes and outputs detailed queue-length probability vectors, and aggregate and overflow probabilities as desired.
    KEYWORDS: teletraffic analysis, stochastic models, queueing models, Markov chains, structured Markov chains, G/M/1, M/G/1, QBD, quasi-birth-and-death, G/G/1, MAP/G/1, PH/PH/1, MMPP/G/1, GI/G/1, fluid flow, brownian motion, queue length, waiting time, unfinished work, matrix geometric, matrix exponential, tail distribution
  65. QNAT Queueing Network Analysis Tool
    Date: Nov. 12, 1999.
    Please note that the software requires Mathematica 5
    Here is a quick list of the types of queueing networks that can be solved using QNAT -
    1. Networks of Multi-server Infinite Capacity Queues with Multiple Job Classes
    2. Networks of Multi-server Infinite Capacity Queues with a Single Job Class
    3. Networks of Multi-Server Finite Capacity Queues with a Single Job Class (some or all nodes may be of finite/infinite capacity)
    Our distribution includes documentation on the analytical techniques that have been used. This has been provided through a Microsoft Word file that is a part of this distribution. The documentation provides a summary of the actual algorithm used by each solution technique in QNAT and examples of networks solved using this technique in QNAT. These examples may be found in the samples distributed with QNAT.
    Home Page: of QNAT:
    Prof. Sanjay K. BOSE, Dept. of Electrical Eng., Indian Institute of Technology, Kanpur - 208 016, INDIA
  66. (entered June 28, 2000). The Queueing Theory Cookbook of Samuel Baker gives spreadsheet formulas for some queueing measures.
  67. ExtendSim 8.0.1 released November 18, 2010.
  68. Information checked 2006.
    "ERLANG: Traffic and Queuing Software"
    Software for Queues, traffic blockage, Voice and Packetized Data Networks
    Keywords Erlang, Delay, Blocking, Queues, Traffic
    A utility of use in the Voice, or Packetized Data Network industries, to help model traffic blockage (loss), and/or delays.
    Generally it calculates one of the following (given the others):
    in the following cases:
  69. Message received Apr. 16, 1998, from Ananth Krishnamoorthy, Research Assistant, Center for CIM, Oklahoma State University. "We at the Center for Computer Integerated Manufacturing at Oklahoma State University have a queueing network solver RAQS that was developed as part of an NSF funded research. This software is free and can be downloaded from our homepage
  70. Brian Fox. 1996. Quick Q. For Windows 3.x and Windows 95. Shareware version available from
  71. Mike Tanner. 1995. Practical Queueing Analysis (Book and disk) McGraw Hill.
    PhonCalc - call centre "calculator" , by Mike Tanner.
    CCRSim - call centre simulator, by Mike Tanner.
    Mike now runs a company called MITAN. Some Erlang spreadsheet material is available at
  72. Chaudhry, M.L. 1994.
    QPACK Software Package. ISBN 1-895032-00-8. queuing models software packages.
    A&A Publications, 395 Carrie Crescent, Kingston, Ontario K7M 5X7.
    QROOT Software Package. ISBN 0-895021-X root-finding software package.
    A&A Publications, 395 Carrie Crescent, Kingston, Ontario K7M 5X7.
    Contact the author for access.
  73. Harris, Carl and Gross, Donald. 1993. Queueing Analyses with TK Solver, 260 pp. Universal Technical Systems. (with diskette). Queueing Software.

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