JavaScript API for Chrome and Firefox

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

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.

AI-powered, vision-driven UI automation for every platform.

Sandbox for developing and testing UI components in isolation

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript.

A collection of public resources about how software companies test their software

📫 SMTP Server + Web Interface for viewing and testing emails during development.

A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and workflows.

QA via natural language AI tests

🐏 Simple and complete React hooks testing utilities that encourage good testing practices.

Property based testing framework for JavaScript (like QuickCheck) written in TypeScript

A next-generation code testing stack for JavaScript.

Automation for Kubernetes development and testing. Spin up production-like environments for development, testing, and CI on demand. Use the same configuration and workflows at every step of the process. Speed up your builds and test runs via shared result caching

QA Wolf from anywhere — your terminal, your CI, your AI agent.

🦉 Simple and complete React Native testing utilities that encourage good testing practices.

CLI to control iOS and Android devices for AI agents