The best Software Testing tools and resources on the internet.

Over 500+ awesome tools and resources on the internet to supercharge your testing.

Your Complete Test Automation Cycle, Right Inside Your IDE

Featured

Meet BrowserStack Test Companion, agentic AI that brings the full test automation cycle into your IDE, from test case generation and script authoring to execution, debugging, and maintenance. It adapts to Playwright, Selenium, Cypress, Appium, WebdriverIO, and TestNG, and installs in VS Code, Cursor, Visual Studio, and JetBrains IDEs

Try Test Companion!

CLI Testing Library

🐨 Simple and complete CLI testing utilities that encourage good testing practices.

Automated Checking

regex:help!

An online tool to help you easily generate, test, and refine your regular expressions.

Mark Text

Simple and Elegant Markdown Editor

WebPerformance Report

Web performance report every week in your inbox.

Performance Testing

SelectorsHub

A FREE xPath plugin to auto generate, write and verify xpath & cssSelector.

Automated Checking

REST Assured NET

Brings the power of REST Assured to the C# / .NET ecosystem by Simplifying HTTP Testing

Mailpit

An email and SMTP testing tool with API for developers and automated integration testing.

LiveBench

A dynamic, contamination-free benchmarking platform for evaluating Large Language Models (LLMs) on hard reasoning, math, and coding tasks.

OpenAPI AutoSpec

Automatically generates OpenAPI specifications in real-time.

OC Mock

mock object testing framework that can be used to create stubs in iOS apps.

lemoncheesecake

Python framework for end-to-end / QA testing

Automated Checking

Allinone Tools

one-stop resource with tons of little utilities for formatting, editing, generating, minifying, and so on.

ct.css

A diagnostic CSS snippet that exposes potential performance issues in your page’s `head` element.

Performance Testing

xScope

$50 USD for 1 license

Measure, Inspect and Test

Exploratory Testing

BITB

Browser templates for Browser In The Browser (BITB) attack.

Security Testing

MS Visual Studio

Edit and debug on any OS

Conftest

A utility to help you write tests against structured configuration data

Perfect Bug Report

A simple checklist of the essential items to include in your bug reports.

Exploratory Testing

Charles Proxy

Web Debugging Proxy

Traffic Listener

KIF

Keep It Functional - An iOS Functional Testing Framework

Automated Checking

Git History

View git log, file history, compare branches or commits

Calabash

Calabash is a BDD framework for iOS and Android

Automated Checking

Selenium Kubernetes

Pre-configured YAML files to effortlessly deploy a Selenium Grid on your Kubernetes.

QASkills

Install curated QA testing skills into Claude Code, Cursor, Copilot, and 30+ AI agents. One command, instant expertise.

RapiDAST

Simple, continuous and fully automated application security testing.

Security Testing

d3

Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Visual Modeling

dev-browser

A Claude Skill to give your agent the ability to use a web browser

Automated Checking

PlayProm

A custom Playwright reporter that exports test execution metrics to StatsD, Prometheus, and Grafana.

playwright-windows-wrapper

Bridge Playwright web automation with Appium/WinAppDriver for native Windows desktop applications.

Automated Checking

Flaker

A flaky network simulator for your mobile app

Performance Testing