Ranked chart · Developer Tools

Best Performance Testing Software in 2026

When you need to understand how an application behaves under pressure, performance testing software can support load and stress testing across different targets. Artillery, Taurus and Locust are among the options to compare. Load testing, stress testing and distributed load describe aspects of test scope and scale, while maximum virtual users offers another listed point of comparison. Check API testing and…

38 appsSorted 25 Oct 2026How we rank

17.9

Keysight Eggplant Test

Keysight Eggplant Test is a test automation platform for end-to-end checks across web, mobile, API, desktop and complex environments such as Citrix.

AndroidiOSWeb

$9,999 one-time

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27.8

Loadster Synthetic Monitoring

Loadster Synthetic Monitoring runs scheduled scripted checks against websites, web apps, and APIs from outside your infrastructure.

Free planWebAPIExtension

From $29 a month

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37.3

Avidemux

Free planOpen sourceWebLinuxmacOS

Free plan

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4
LoadFocus
LoadFocus is a cloud platform for load testing, website page-speed testing, API monitoring, and front-end UI testing.
Free planWebAPIExtension
7.3Free plan
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5
LoadView
LoadView provides cloud-based load testing for websites, web applications, and APIs.
Free planWebAPISelf-hosted
7.3From $199 a month
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6
Artillery
Artillery combines load testing, scalable Playwright end-to-end testing, and production monitoring in one toolkit.
Free planWebAPILinuxmacOS
7.1From $199 a month
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7
Gatling
Gatling is a load-testing and performance engineering platform for generating simulated traffic and locating performance bottlenecks.
WebAPILinuxmacOS
6.8From €1,068 a year
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8
OpenText Core Performance Engineering
OpenText Core Performance Engineering is a cloud-based solution for planning, running, and scaling performance tests.
WebAPILinuxmacOS
6.8
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9
OctoPerf
OctoPerf is a performance and load-testing platform for simulating traffic, locating bottlenecks, and checking application scalability.
Free planWebAPILinuxSelf-hosted
6.6From €649 a month
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10
StresStimulus
StresStimulus is Windows load-testing software for websites, mobile apps, and enterprise applications.
Free planSelf-hostedWindows
6.6$880 one-time
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11
Taurus
Taurus is a free, open-source framework for automating continuous testing.
Free planLinuxmacOSSelf-hostedWindows
6.6Free plan
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12
Vegeta
Vegeta is an open-source HTTP load testing tool that sends requests at a constant rate.
Free planAPILinuxmacOSSelf-hosted
6.6Free plan
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13
BlazeMeter
BlazeMeter is an enterprise continuous testing platform for performance, functional, and API testing.
WebAPIExtensionLinux
6.5From $99 a year
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14
Grafana k6
Grafana k6 is a load-testing tool for Linux that supports load, stress, browser-based, distributed, and API testing.
Free planLinux
6.5$19 usage-based
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15
Loader.io
Loader.io is a cloud-based service for stress testing web applications and APIs with concurrent connections.
Free planWebAPI
6.5From $99.95 a month
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16
Locust
Locust is a free, open-source tool for performance and load testing HTTP services and other protocols.
Free planWebAPILinuxmacOS
6.5Free plan
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17
Speedscale
Speedscale is a hybrid API testing, load testing, and service-virtualization product for teams building cloud-native software.
Free planWebAPILinuxmacOS
6.5Free plan
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18
Apica LoadTest
Apica LoadTest creates, runs, and analyzes capacity and performance tests for web and cloud applications.
AndroidiOSWebAPI
6.4
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19
Blackfire.io
Blackfire.io is a cloud platform for monitoring, profiling, testing, alerting, recommendations, browser monitoring, and analytics for PHP and Python applications.
WebAPIExtensionLinux
6.4From €33.25 a month
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20
Fortio
Fortio is a free, open-source HTTP and gRPC load-testing toolkit written in Go.
Free planWebAPILinuxmacOS
6.4Free plan
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21
LoadStrike
LoadStrike is a self-hosted tool for load, performance, and stress testing complete workflows across APIs, queues, services, and browser steps.
Free planAPISelf-hosted
6.4From $3,229.20 a year
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22
WebLOAD
WebAPILinuxSelf-hosted
6.4From $499 a month
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23
Apache JMeter
Apache JMeter is a free, open-source Java application for load testing functional behavior and measuring performance.
Free planLinuxmacOSSelf-hostedWindows
6.3Free plan
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24
HammerDB
HammerDB is a database benchmarking application for running workloads against SQL Server, Db2, Oracle, PostgreSQL, MariaDB, MySQL, and VillageSQL.
Free planWebLinuxSelf-hostedWindows
6.3Free plan
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25
LoadForge
WebAPI
6.3
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