✅ The Node.js best practices list (July 2026)
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1–24 of 406 · Most stars
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
Opensource IDE For Exploring and Testing API's (lightweight 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.
A toolkit with common assertions and mocks that plays nicely with the standard library
📗🌐 🚢 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.
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.
Simple JavaScript testing framework for browsers and node.js
See interfaces like a human. E2E testing in natural language.
Most popular Mocking framework for unit tests written in Java