The best Software Testing tools and resources on the internet.

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

Test your checkout before the holiday rush

Featured

Your checkout already has Playwright or Selenium tests. Those same tests can now be your load test. Run them in up to 1,000 browsers at once while API load runs in the background. You’ll see when the page starts to slow down, well before holiday sales begin. Try BrowserStack Load Testing for free.

Try a free load test!

Violating GDPR

Enter a URL and this tool will tell you if the website is violating GDPR laws.

Security Testing

Javascript Game Engines Comparison

Performance comparison of Javascript rendering/game engines.

Performance Testing

Tumult

A chaos engineering and fault injection proxy for AI agents (Claude Code, GitHub Copilot, Codex, OpenCode) to test resilience under network latency, rate limits, malformed payloads, and tool failures.

PasteSafely

A Pastebin alternative

Puppeteer Replay

Library that provides an API to replay and stringify recordings created using Chrome DevTools Recorder

Automated Checking

Git Bug

Distributed, offline-first bug tracker embedded in git, with bridges

Quicktype

Convert JSON into gorgeous, typesafe code in any language.

Automated Checking

PrivacyTests

open source tests of web browser privacy.

Security Testing

TestKube

Kubernetes-native framework for test definition and execution

OpenAPI DevTools

Chrome extension that generates API specs for any app or website

iPerf

test maximum achievable bandwidth on IP networks.

Performance Testing

SQL Murder Mystery

Learn SQL in a fun and gamified way.

Learn Software Testing

Indetectables Toolkit

98 apps to perform reverse engineering and binary/malware analysis.

Security Testing

Strands Evals SDK

A comprehensive evaluation framework for AI agents and LLM applications.

Citrus

Citrus Integration Testing

Automated Checking

BITB

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

Security Testing

Kubescape

It’s a first tool for testing if Kubernetes is deployed securely as defined in Kubernetes Hardening Guidance by to NSA and CISA.

Regex Vis

🎨 Regex visualizer & editor

Deepfence ThreatMapper

Identify vulnerabilities in running containers, images, hosts and repositories

Security Testing

XPathy

A fluent Java API for dynamically building XPath locators for Selenium WebDriver.

Automated Checking

vitest-profiler

A Vite plugin that surfaces performance bottlenecks within your test suite

Automated Checking

mcp-appium

An Appium Model Context Protocol (MCP) server that connects LLM agents to mobile UI testing tools.

NetBeans

IDE

MutPy

A mutation testing tool for Python 3.3+ source code

Automated Checking

autoheal CLI

Auto GPT Agent which automatically fixes code based on failing tests.

Automated Checking

Terratest

Automated tests for your infrastructure code.

MagentaA11y

Automatically generate Accessibility test cases for Web, iOS and Android components

Accessibility Testing

wacat

Tests your web application against cat chaos!

Automated Checking

Appium

Mobile application automation framework

Automated Checking

Appium wait plugin

Appium plugin designed to wait for element to be present.

Automated Checking