testing

✅ The Node.js best practices list (July 2026)

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

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

💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Delightful JavaScript Testing.

A toolkit with common assertions and mocks that plays nicely with the standard library

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.

📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

Learn Go with test-driven development

☕️ Classic, reliable, trusted test framework for Node.js and the browser

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

Node.js test runner that lets you develop with confidence 🚀

JavaScript Testing utilities for React

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

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.

Hurl, run and test HTTP requests with plain text.

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Simple JavaScript testing framework for browsers and node.js

Most popular Mocking framework for unit tests written in Java

See interfaces like a human. E2E testing in natural language.

The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

PHP Static Analysis Tool - discover bugs in your code without running it!

HTTP Request & Response Service, written in Python + Flask.

MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。

A faster, simpler way to drive browsers supporting the Chrome DevTools Protocol.

Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)

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.

:alarm_clock: :fire: A TCP proxy to simulate network and system conditions for chaos and resiliency testing

Gray box end-to-end testing and automation framework for mobile apps

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

The elegant testing framework for PHP developers and AI agents.

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Record, Replay, and Stub HTTP Interactions.