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testcritic

All testing tools

193 tools across 17 categories. Filter by what you actually need — your language, your budget shape, whether it has to run on your own infrastructure.

16 tools

Apache JMeter

Load & Performance

The open-source workhorse: every protocol, a GUI, and twenty-five years of plugins.

Open sourceNo-codeSelf-host

Grafana k6

Load & Performance

Developer-first load testing: JavaScript scripts, Go engine, CI-native thresholds.

from $19Open sourceSelf-host

Artillery

Load & Performance

YAML or JavaScript load tests that run serverless on AWS at large scale.

Open sourceSelf-host

BlazeMeter

Load & Performance

Managed cloud execution for JMeter, Gatling, k6 and Selenium scripts.

from $149

Dynatrace

Monitoring

Full-stack observability with automatic dependency mapping and AI root-cause analysis.

from $58

Gatling

Load & Performance

High-performance load testing with a code-first DSL and superb HTML reports.

from €89Open sourceSelf-host

Karate

API Testing

API testing, mocks, performance and UI automation in one Gherkin-based DSL.

Free tierOpen sourceNo-codeSelf-host

Locust

Load & Performance

Write load tests as plain Python. Scale by adding workers.

Open sourceSelf-host

SoapUI / ReadyAPI

API Testing

The long-standing tool for SOAP, JMS and enterprise protocol testing.

Free tierOpen sourceSelf-host

autocannon

Load & Performance

One-command HTTP benchmarking for a quick answer about a single endpoint.

Open sourceSelf-host

Grafana Synthetic Monitoring

Monitoring

k6-powered checks inside Grafana Cloud, alongside your existing dashboards.

Free tierOpen sourceSelf-host

NeoLoad

Load & Performance

Enterprise performance testing with strong SAP, Citrix and Oracle support.

Talk to salesNo-code

OpenText LoadRunner

Load & Performance

The original enterprise load-testing suite. Fifty-plus protocols, decades of use.

Talk to salesNo-code

Vegeta

Load & Performance

Constant-rate HTTP load testing from the command line, in Go.

Open sourceSelf-host

Hoverfly

Test Data & Mocks

Lightweight service virtualisation: capture real traffic, then simulate it.

Open sourceSelf-host

Step CI

API Testing

Open-source API testing configured entirely in YAML, built for pipelines.

Open sourceSelf-host