Top #testing Tools & Software

Awesome-Hacking

github

A collection of various awesome lists for hackers, pentesters and security researchers

puppeteer

github

JavaScript API for Chrome and Firefox

playwright

github

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

hoppscotch

github

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

localstack

github

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

cypress

github

Fast, easy and reliable testing for anything that runs in a browser.

jest

github

Delightful JavaScript Testing.

bruno

github

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

shannon

github

Shannon Lite is an autonomous, white-box AI pentester for web applications and APIs. It analyzes your source code, identifies attack vectors, and executes real exploits to prove vulnerabilities before they reach production.

cli

github

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

sqlmap

github

Automatic SQL injection and database takeover tool

posthog

github

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

k6

github

A modern load testing tool, using Go and JavaScript

locust

github

Write scalable load tests in plain Python 🚗💨

prompt-optimizer

github

An AI prompt optimizer for writing better prompts and getting better AI results.

testify

github

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

javascript-testing-best-practices

github

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

learn-go-with-tests

github

Learn Go with test-driven development

Catch2

github

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)

RustScan

github

🤖 The Modern Port Scanner 🤖

react-testing-library

github

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

goreplay

github

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.

faker

github

Faker is a Python package that generates fake data for you.

hurl

github

Hurl, run and test HTTP requests with plain text.