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.
37 tools
Amplitude
Session Replay
Behavioural product analytics with strong cohort and retention analysis.
BrowserStack
Device Cloud
The largest browser and real-device cloud, with 3,500+ device/browser combinations.
Dependabot
Security Testing
Free dependency updates and vulnerability alerts, built into GitHub.
Espresso
Mobile Testing
Google's native Android UI testing framework. Fast, stable, Android-only.
JUnit 5
Unit & Component
The Java testing standard, rebuilt with extensions and parameterised tests.
LaunchDarkly
A/B & Flags
The enterprise feature-flag platform, with experimentation layered on top.
Mixpanel
Session Replay
Event analytics with fast, self-serve reporting non-analysts can actually use.
Renovate
Security Testing
Highly configurable automated dependency updates, free and self-hostable.
Selenium WebDriver
E2E & UI Testing
The W3C standard for browser automation. Every language, every browser, twenty years of it.
Sentry
Monitoring
Error tracking with stack traces, release attribution and now session replay.
Snyk
Security Testing
Developer-first security across dependencies, code, containers and infrastructure.
SonarQube
Code Quality
The static-analysis standard: 30+ languages, quality gates, clean-as-you-code.
Checkmarx One
Security Testing
Enterprise application security platform: SAST, SCA, DAST, IaC and API security.
CodeQL
Security Testing
Query your codebase like a database to find vulnerability patterns across the whole repo.
Contentsquare
Session Replay
Enterprise experience analytics that quantify the revenue impact of a UX problem.
Firebase Test Lab
Mobile Testing
Google's device farm: run Espresso, XCUITest or a crawler on real hardware.
FullStory
Session Replay
Retroactive analytics: define a metric today and get its history from recorded sessions.
Gatling
Load & Performance
High-performance load testing with a code-first DSL and superb HTML reports.
GrowthBook
A/B & Flags
Open-source feature flags and experimentation that runs on your data warehouse.
Heap
Session Replay
Autocapture analytics: every interaction is tracked, so you never miss an event again.
Katalon Studio
E2E & UI Testing
All-in-one low-code platform covering web, API, mobile and desktop.
LogRocket
Session Replay
Session replay built for engineers: console, network, Redux state and stack traces.
Mend.io
Security Testing
Software composition analysis with automated remediation and licence compliance.
PostHog
Session Replay
Open-source product analytics, replay, flags and experiments in one self-hostable platform.
REST Assured
API Testing
Fluent Java DSL for testing REST services inside your existing JVM test suite.
Semgrep
Security Testing
Pattern-based static analysis where rules look like the code they match.
Statsig
A/B & Flags
Feature flags, experimentation and product analytics in one warehouse-friendly platform.
TestNG
Unit & Component
Java test framework built for suite configuration, grouping and data providers.
Veracode
Security Testing
Application security as a service, with policy enforcement and compliance attestation.
Codacy
Code Quality
Automated code review with security scanning and coverage in the pull request.
ConfigCat
A/B & Flags
Simple, cheap feature flags with unlimited team members on every plan.
DeepSource
Code Quality
Static analysis with autofix, tuned hard for low false-positive rates.
Flagsmith
A/B & Flags
Open-source feature flags and remote config with straightforward self-hosting.
Qodana
Code Quality
JetBrains' IDE inspections, running as a CI quality gate.
Smartlook
Session Replay
Session replay with equally strong native mobile app support.
Split
A/B & Flags
Feature delivery with automatic impact measurement on every flag.
Survicate
User Research
Ask the question where the behaviour happened: in-product, email, mobile or link.