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Best Load Testing Software 2026
Load testing software lets you subject applications and services to controlled load tests. This list helps buyers compare tools such as Apache JMeter, k6 and Gatling by access, pricing and platform support.
Review listed free plans, trial offers, pricing approaches and maker-stated support for API, Linux, web, self-hosted, Windows and macOS environments. The page has no published ranking basis, so entries are not scored.
02
Artillery
It suits application developers, QA and test engineers, and operations or SRE teams responsible for production backend systems.
WebWindowsMac+3 Record5.7 Visit
03
LoadFocus
LoadFocus suits engineering teams and use cases involving developers, web agencies, product owners, and DevOps engineers.
WebBrowser extensionAPI Record5.5 Visit
04
BlazeMeter
BlazeMeter suits teams that need performance, functional, or API testing alongside CI/CD integrations.
WebLinuxBrowser extension+2 Record5.4 Visit
05
Apache JMeter
JMeter suits users who need to test performance across supported protocols and systems, including through remote testing.
WindowsMacLinux+1 Record4.9 Visit
6
Fortio
WebWindowsMac+3 Free plan Record4.9 Visit Fortio suits developers and operators who need programmable HTTP or gRPC load generation, latency measurements, and self-hosted tooling.
7
Vegeta
WindowsMacLinux+2 Free plan Record4.9 Visit Vegeta suits developers and operators who need constant-rate HTTP load tests from a CLI or Go code.
Before you choose
Check free access
Check whether a tool offers a free plan. Free-priced options include ApacheBench (ab), Apache JMeter, Fortio, Hey, k6 and Locust.
Freemium tools pair free access with paid plans. Check the maker's current terms before you choose a plan.
Look for a trial
When a trial matters, compare the offers shown: Gatling has a 14-day trial, while LoadFocus has a 7-day trial.
A trial can give you a temporary way to evaluate a paid service before committing.
Compare pricing models
Compare free, freemium and paid models. Freemium examples include Artillery, BlazeMeter, Gatling, Loader.io and LoadFocus.
LoadRunner Professional directs buyers to request pricing. Paid plan prices shown by makers can differ by product and billing term.
Match your platform
Match your environment to supported options such as API, Linux, web, self-hosted setups, Windows or macOS.
Confirm platform details with the maker when your workflow depends on a specific operating system or deployment style.
Questions
Is free load testing software available?
Yes. Tools such as ApacheBench (ab), Apache JMeter, Fortio, Hey, k6 and Locust list free plans or free pricing.
Which load testing tools offer a free trial?
Gatling shows a 14-day trial, while LoadFocus shows a 7-day trial.
Which pricing approaches appear on this list?
Free, freemium and paid models are represented. LoadRunner Professional provides pricing on request.
Can I use load testing software on Linux or Windows?
The listed platforms include Linux and Windows, along with API, web, self-hosted and macOS options.
Does this list include self-hosted tools?
Yes. Self-hosted is one of the platforms represented in the list.
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