Developer Tools·Standings

Compare Load Testing Software

Load testing software sends traffic to an application to see how it handles demand; compare supported platforms and the free-plan or trial options.

This board shows a signal score out of 10, plus marks for a public API, open-source code and a free tier. Check the individual listing for plan details and pricing.

  • 16 platforms
  • 13 with a free tier
  • Checked 23 Oct 2026
  1. 1
    V
    Vegetagithub.com

    A free HTTP testing tool that sends requests at a constant rate.

    6.4 APIOpenFree Free tier
  2. 2
    L
    LoadFocusloadfocus.com

    A cloud service for load tests, page speed tests, API monitoring, and UI tests.

    6.3 APIOpenFree Free tier
  3. 3
    AJ
    Apache JMeterjmeter.apache.org

    A free tool that measures performance across websites, APIs, databases, and other services.

    6.3 APIOpenFree Free tier
  4. 4
    A
    Artilleryartillery.io

    A load testing and monitoring toolkit with support for HTTP, WebSocket, and Socket.IO.

    6.3 APIOpenFree Free tier · from $199/mo
  5. 5
    F
    Fortiofortio.org

    A free, open-source tool for HTTP and gRPC load tests, with latency graphs and a web interface.

    6.3 APIOpenFree Free tier
  6. 6
    G
    Gatlinggatling.io

    A traffic simulation platform with a free plan and tests made in several programming languages.

    6.3 APIOpenFree Free tier · from €1,068/yr
  7. 7
    L
    Locustlocust.io

    A free, open-source load testing tool with tests written in Python.

    6.2 APIOpenFree Free tier
  8. 8
    B
    BlazeMeterblazemeter.com

    A testing platform for performance, functional, and API tests, with CI/CD integrations.

    5.9 APIOpenFree Free tier · from $99/yr
  9. 9
    LI
    Loader.ioloader.io

    A cloud service for testing web apps and APIs with concurrent connections.

    5.8 APIOpenFree Free tier · from $99.95/mo
  10. 10
    W
    WebLOADradview.com

    A paid performance tool that simulates traffic and identifies changing values in test scripts.

    5.7 APIOpenFree From $499/mo
  11. 11
    AA
    ApacheBench (ab)Apache Software Foundation
    4.9 APIOpenFree Free tier
  12. 12
    K
    k6Grafana Labs
    4.9 APIOpenFree Free tier
  13. 13
    H
    Heyrakyll
    4.6 APIOpenFree Free tier
  14. 14
    W
    wrkWg (Gil Tene and contributors)
    4.6 APIOpenFree Free tier
  15. 15
    TN
    Tricentis NeoLoadtricentis.com

    A paid performance testing tool for stress, browser-based, and distributed tests.

    4.5 APIOpenFree —
  16. 16
    LP
    LoadRunner Professionalopentext.com

    A performance testing tool with pricing available on request.

    3.8 APIOpenFree —

Places #1, #2, #3, #4, #5 on this board are open to sponsors. Take #1 · Other ways to advertise

How to choose

Which platforms does the tool need to support?

Start with where you plan to run it. The listed platform marks cover API, Linux, web, self-hosted, Windows and macOS; compare the marks on individual listings against your setup.

Can I try load testing software for free?

Check whether a listing offers a free plan or a free trial; they are different options. ApacheBench (ab) and Apache JMeter are listed as free, while Gatling has a 14-day trial as well as a free plan.

How much does load testing software cost?

Pricing ranges from free listings to paid plans. Artillery lists paid plans from $199 per month, while LoadFocus lists them from $19 per month and a 7-day trial. LoadRunner Professional lists pricing on request.

Should I look for an API or open-source code?

Check the API and open-source marks if those matter to your workflow, and confirm the details on the tool's own listing. A public API is a way for other software to connect to a tool; open-source code can be read or changed under its licence.

Questions

What does load testing software do?

It sends traffic to an application to see how it handles demand.

Which load testing tools have a free plan?

The board includes free-plan marks. Check individual listings for plan details; ApacheBench (ab) and Apache JMeter are listed as free.

Which load testing tools offer a free trial?

The listings include trial options. Gatling lists a 14-day trial, and LoadFocus lists a 7-day trial.

Can I run load testing software on Linux or Windows?

Linux and Windows are among the platform marks shown on the board. Check a tool's listing to confirm its supported platforms.

How much does LoadRunner Professional cost?

LoadRunner Professional lists pricing on request.

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure