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.
22 tools
Datadog Synthetic Monitoring
Monitoring
Synthetic checks correlated with APM traces, logs and infrastructure metrics.
Grafana k6
Load & Performance
Developer-first load testing: JavaScript scripts, Go engine, CI-native thresholds.
Lighthouse
Accessibility
Google's built-in audit for performance, accessibility, SEO and best practices.
Postman
API Testing
The API platform most developers already have open: requests, collections, tests, mocks.
Sentry
Monitoring
Error tracking with stack traces, release attribution and now session replay.
Artillery
Load & Performance
YAML or JavaScript load tests that run serverless on AWS at large scale.
BlazeMeter
Load & Performance
Managed cloud execution for JMeter, Gatling, k6 and Selenium scripts.
Checkly
Monitoring
Monitoring as code: your Playwright scripts, running against production on a schedule.
Dynatrace
Monitoring
Full-stack observability with automatic dependency mapping and AI root-cause analysis.
LogRocket
Session Replay
Session replay built for engineers: console, network, Redux state and stack traces.
New Relic Synthetic Monitoring
Monitoring
Scripted browser and API monitors included in New Relic's usage-based platform.
Pingdom
Monitoring
Long-established uptime and transaction monitoring, now part of SolarWinds.
PostHog
Session Replay
Open-source product analytics, replay, flags and experiments in one self-hostable platform.
Sauce Labs
Device Cloud
Enterprise-grade device cloud with deep analytics and strong security posture.
UptimeRobot
Monitoring
Free uptime monitoring for 50 endpoints. The pragmatic starting point.
Better Stack
Monitoring
Uptime monitoring, incident management and status pages in one affordable product.
Grafana Synthetic Monitoring
Monitoring
k6-powered checks inside Grafana Cloud, alongside your existing dashboards.
NeoLoad
Load & Performance
Enterprise performance testing with strong SAP, Citrix and Oracle support.
OpenReplay
Session Replay
Open-source, self-hosted session replay — your user data never leaves your infrastructure.
OpenText LoadRunner
Load & Performance
The original enterprise load-testing suite. Fifty-plus protocols, decades of use.
StatusCake
Monitoring
Affordable uptime, page-speed, SSL and domain monitoring from many global locations.
HeadSpin
Mobile Testing
Global device infrastructure focused on performance and real network conditions.