JavaScript API for Chrome and Firefox

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

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

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

Delightful JavaScript Testing.

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

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

Test your prompts, agents, and RAGs. Red teaming, pentesting, and vulnerability scanning for LLMs. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and CI/CD integration.

A next-generation code testing stack for JavaScript.

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

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

🐺 Create browser tests 10x faster

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

A repository to show off to the community methods of testing NestJS including Unit Tests, Integration Tests, E2E Tests, pipes, filters, interceptors, GraphQL, Mongo, TypeORM, and more!

🥄 Develop, test and document your React story components faster.

Mutation testing for JavaScript and friends

Manage & spin up mongodb server binaries with zero(or slight) configuration for tests.

Debug your Jest tests. Effortlessly.🛠🖼