Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
- storybook
- styleguide
- testing
- components
76,356 visible repositories in the index
1–24 of 454 · Most stars
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.
Delightful JavaScript Testing.
Light, fluffy, and always free - The AWS Local Emulator alternative
A toolkit with common assertions and mocks that plays nicely with the standard library
HTTP load testing tool and library. It's over 9000!
Node.js test runner that lets you develop with confidence 🚀
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
A simulation data generator
Faker is a Python package that generates fake data for you.
GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.
The industry standard for API mocking in JavaScript.
ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravity, Codex, and Claude Code. It also achieves 99%+ success rate on AndroidWorld Benchmark.
Generate massive amounts of fake data in the browser and node.js
🕷 Super-agent driven library for testing node.js HTTP servers using a fluent API. Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.
HTTP server mocking and expectations library for Node.js
🚀🎉📚 Nextjs Boilerplate and Starter with App Router and Page Router support, Tailwind CSS 4 and TypeScript ⚡️ Made with developer experience first: Next.js 16 + TypeScript + ESLint + Prettier + Drizzle ORM + Husky + Lint-Staged + Vitest + Testing Library + Playwright + Storybook + Commitlint + VSCode + Sentry + PostCSS + Tailwind CSS ✨
OSS-Fuzz - continuous fuzzing for open source software.
Generic automation framework for acceptance testing and RPA
Integrated end-to-end testing framework written in Node.js and using W3C Webdriver API. Developed at @browserstack
Spectacular Test Runner for JavaScript
A library for generating fake data such as names, addresses, and phone numbers.
Acceptance test framework for web applications
:card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.