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Best Performance Testing Software in 2026

When you need to understand how software behaves under demand, performance testing tools can help frame tests around load, stress, and target types. Compared on load testing, stress testing, distributed load, and maximum virtual users, the entries provide several dimensions to assess.

  1. 01 Keysight Eggplant Test

    It suits teams automating tests across multiple application types, including complex, packaged or mainframe systems.

    Free trial Web · Windows · macOS · Linux
    9.0 Visit Specs
  2. 02 Loadster Synthetic Monitoring

    Loadster suits teams that need scheduled checks for public websites, web apps, or APIs, including multi-step journeys and checks from multiple locations.

    From $29/mo Free plan Web · Windows · macOS · Linux
    9.0 Visit Specs
  3. 03 LoadFocus

    LoadFocus suits engineering teams, developers, web agencies, product owners and DevOps engineers who need load, page-speed, API or UI testing.

    From $15.80/mo Free plan Web · API · Browser extension
    8.9 Visit Specs
  4. 04 LoadView

    LoadView suits teams testing websites, web applications or APIs, including organizations that need to generate load within a private network.

    From $199/mo Free plan Web · API · Self-hosted
    8.8 Visit Specs
  5. 05 Artillery

    Artillery suits application developers, test and QA engineers, and operations or SRE teams responsible for production backend systems.

    From $199/mo Free trial Web · Windows · macOS · Linux
    8.6 Visit Specs
  6. 06 Apache JMeter

    JMeter suits users who need free load or stress testing across supported protocols and can work with a Java-based tool.

    Free plan Windows · macOS · Linux · Self-hosted
    8.4 Visit Specs
  7. 07 BlazeMeter

    BlazeMeter may suit teams coordinating performance, functional, and API testing with CI/CD systems or simulating dependent services.

    From $8.25/mo Free trial Web · Linux · API · Self-hosted
    8.3 Visit Specs
  8. 08 Gatling

    Gatling suits teams that want to author load tests in code, through a no-code generator or by importing Postman tests.

    From €89/mo Free trial Web · Windows · macOS · Linux
    8.3 Visit Specs
  9. 09 OpenText Core Performance Engineering

    It suits developers, QA specialists, and project managers on Agile teams who need performance testing across application types and cloud regions.

    Free trial Web · Windows · macOS · Linux
    8.3 Visit Specs
  10. 10 Apica LoadTest

    Apica LoadTest suits teams testing application capacity and performance across web, cloud, APIs, and mobile devices.

    Free trial Web · Linux · iOS · Android
    8.2 Visit Specs
  11. 11 Avidemux
    Free plan Open source Web · Windows · macOS · Linux
    8.2 Visit Specs
  12. 12 Fortio

    Fortio suits developers and operators who need self-hosted HTTP or gRPC load and API testing.

    Free plan Web · Windows · macOS · Linux
    8.2 Visit Specs
  13. 13 Blackfire.io
    From €33.25/mo Web · Windows · macOS · Linux
    8.1 Visit Specs
  14. 14 Cavisson NetStorm
    Free trial Web · Linux · Self-hosted
    8.0 Visit Specs
  15. 15 HammerDB

    It suits teams benchmarking supported databases on Windows, Linux or self-hosted infrastructure.

    Free plan Web · Windows · Linux · Self-hosted
    8.0 Visit Specs
  16. 16 Loader.io
    From $99.95/mo Free plan Web · API
    8.0 Visit Specs
  17. 17 OctoPerf
    From €649/mo Free plan Web · Linux · API · Self-hosted
    8.0 Visit Specs
  18. 18 Taurus

    Taurus suits teams automating performance or functional tests across documented test engines and CI systems.

    Free plan Windows · macOS · Linux · Self-hosted
    8.0 Visit Specs
  19. 19 LoadForge
    From $5.58/mo Free trial Web · API
    7.8 Visit Specs
  20. 20 LoadNinja
    Free trial Web · API
    7.8 Visit Specs
  21. 21 LoadStrike
    From $269.10/mo Free plan API · Self-hosted
    7.8 Visit Specs
  22. 22 Vegeta

    Vegeta suits developers and teams needing constant-rate HTTP or API load tests, including distributed runs.

    Free plan Windows · macOS · Linux · API
    7.8 Visit Specs
  23. 23 Locust

    Locust suits developers who can author test scenarios in Python and need to observe HTTP or other protocol performance.

    Free plan Web · Windows · macOS · Linux
    7.7 Visit Specs
  24. 24 Speedscale

    Speedscale suits teams building cloud-native applications that want to replay production traffic, test APIs, or generate load tests.

    Free plan Web · Windows · macOS · Linux
    7.7 Visit Specs
  25. 25 StresStimulus
    Free plan Windows · Self-hosted
    7.7 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Artillery, Keysight Eggplant Test, and Gatling are among the options. Check whether API testing or browser-based testing fits your targets, and whether the deployment model suits your environment. Free-plan availability and paid-from pricing add cost context to those technical considerations.

Compare Keysight Eggplant Test and Loadster Synthetic Monitoring Get a place on this list

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