All testing tools

Behavioural product analytics with strong cohort and retention analysis.

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

The cross-platform standard for native, hybrid and mobile-web automation.

The open-source accessibility rules engine almost every other tool is built on.

The largest browser and real-device cloud, with 3,500+ device/browser combinations.

The professional web security tester's tool of choice, plus an enterprise scanner.

Free dependency updates and vulnerability alerts, built into GitHub.

Google's native Android UI testing framework. Fast, stable, Android-only.

Generate realistic names, addresses, dates and text for fixtures, in any language.

The Java testing standard, rebuilt with extensions and parameterised tests.

The enterprise feature-flag platform, with experimentation layered on top.

A local AWS cloud emulator so you can test infrastructure without an AWS bill.

Event analytics with fast, self-serve reporting non-analysts can actually use.

The free, open-source DAST scanner that attacks your running application.

Microsoft's cross-browser automation library with tracing and auto-waiting built in.

Highly configurable automated dependency updates, free and self-hostable.

The W3C standard for browser automation. Every language, every browser, twenty years of it.

Error tracking with stack traces, release attribution and now session replay.

Developer-first security across dependencies, code, containers and infrastructure.

The static-analysis standard: 30+ languages, quality gates, clean-as-you-code.

Real databases and services in throwaway Docker containers, per test run.

The standard HTTP mock server for JVM and beyond: record, replay, stub, simulate faults.

Visual AI that compares screenshots the way a person would, not pixel by pixel.

Deque's commercial layer over axe-core: guided manual testing and enterprise reporting.

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

Enterprise application security platform: SAST, SCA, DAST, IaC and API security.

Query your codebase like a database to find vulnerability patterns across the whole repo.

Behaviour-driven development with Gherkin scenarios shared by business and engineering.

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

Google's device farm: run Espresso, XCUITest or a crawler on real hardware.

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

Secrets detection across your repositories, history and developer machines.

Open-source feature flags and experimentation that runs on your data warehouse.

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

All-in-one low-code platform covering web, API, mobile and desktop.

Cost-competitive device cloud with an AI-assisted test-orchestration layer.

Software composition analysis with automated remediation and licence compliance.

The original web experimentation platform, now a full digital experience suite.

Consumer-driven contract testing so services can deploy independently.

Visual review as a pull-request check, integrated with your existing E2E suite.

Open-source product analytics, replay, flags and experiments in one self-hostable platform.

Fluent Java DSL for testing REST services inside your existing JVM test suite.

Keyword-driven acceptance testing that reads like structured English.

Enterprise-grade device cloud with deep analytics and strong security posture.

Run your own browser grid on your own infrastructure, for free.

Pattern-based static analysis where rules look like the code they match.

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

Feature flags, experimentation and product analytics in one warehouse-friendly platform.

Java test framework built for suite configuration, grouping and data providers.

Open-source feature management with a privacy-first, self-hosted architecture.

Application security as a service, with policy enforcement and compliance attestation.

Experimentation plus heatmaps, replay and surveys in one conversion-optimisation suite.

European experimentation and personalisation platform with strong GDPR positioning.

Automation-first test management built around the Allure reporting format.

Automated code review with security scanning and coverage in the pull request.

Maintainability and technical-debt tracking with a ten-point rating.

Simple, cheap feature flags with unlimited team members on every plan.

Static analysis with autofix, tuned hard for low false-positive rates.

Warehouse-native experimentation with a serious statistics engine.

Open-source feature flags and remote config with straightforward self-hosting.

Experimentation and personalisation with a strong hybrid client/server model.

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

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

Enterprise mobile and web testing cloud with carrier-network and biometric coverage.

JetBrains' IDE inspections, running as a CI quality gate.

Feature delivery with automatic impact measurement on every flag.

Write tests in plain English, run them on web, mobile and APIs.

Global device infrastructure focused on performance and real network conditions.

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

Real-device cloud with the option to connect your own devices to the same platform.

Turn OpenAPI and AsyncAPI specs into executable contracts and smart mocks.

Straightforward, keenly priced Selenium and Appium grid from a small European vendor.