Free
Apache JMeter
Open SourceLoad & Performance · Testing
Classic Java-based load and performance testing tool.
loadperformancejava
Testing
Unit, E2E, load, accessibility and visual regression testing.
8 tools in Testing
Freemium
Artillery
Open SourceLoad & Performance · Testing
Modern load testing and smoke testing for APIs and microservices.
loadperformanceapi
Freemium
Gatling
Open SourceLoad & Performance · Testing
Load testing with a powerful Scala-based DSL and great reporting.
loadperformancescala
Freemium
k6
Open SourceLoad & Performance · Testing
Open-source load testing tool using JavaScript test scripts.
loadperformancegrafana
Free
Lighthouse
Open SourceLoad & Performance · Testing
Google's automated audits for performance, SEO, a11y and best practices.
performanceseoauditlighthouse
Free
Locust
Open SourceLoad & Performance · Testing
Scalable user load testing written in Python.
loadperformancepython
Free
Load & Performance · Testing
Google's Core Web Vitals and page speed analysis service.
performancecore-web-vitalsgoogle
Freemium
Load & Performance · Testing
Advanced website performance testing from global locations.
performancewaterfalltesting