Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
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JavaScript API for Chrome and Firefox
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Delightful JavaScript Testing.
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.
See interfaces like a human. E2E testing in natural language.
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
Sandbox for developing and testing UI components in isolation
A collection of public resources about how software companies test their software
Control and manage Android devices from your browser.
A next-generation code testing stack for JavaScript.
QA Wolf from anywhere — your terminal, your CI, your AI agent.
Mutation testing for JavaScript and friends
Native UI testing / controlling with node
Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
Generate custom HTTP responses, the simpler way to test your Web Services
Self-hosted iOS & Android simulator streaming for the whole team
BDD testing with Playwright runner
A port of puppeteer running on Deno
Cross-browser screenshot testing tool for Storybook with fancy UI Runner.
Allure integrations for JavaScript test frameworks
This ember-cli addon eases the construction of page objects on your acceptance and integration tests
A mock for PrismaClient, dedicated to unit testing.