The best Software Testing tools and resources on the internet.

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

Apache Jmeter

Apache Jmeter

Free

Open source load testing tool

Performance Testing
P

PICT

Free

Pairwise Independent Combinatorial Testing (PICT) generates test cases.

Data
P

Playwright MCP

Free

AI assisted Browser automation using Playwright that enables LLMs to interact with pages through structured accessibility snapshots, bypassing the need for screenshots.

Automated Checking
Awesome QA Prompt

Awesome QA Prompt

Free

A curated repository of highly optimized system prompts and templates for QA engineering tasks.

AI Testing
J

Josn

Free

A command-line JSON viewer.

Data
R

REST Assured NET

Free

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

API Testing
Q

QASkills

Free

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

AI Testing
L

Lockbox

Free

A forward proxy for making third party API calls.

DevTools
A

Awesome Penetration Testing

Free

A collection of awesome penetration testing and offensive cybersecurity resources.

Security Testing
v

vcrpy

Free

Automatically mock your HTTP interactions to simplify and speed up testing

API Testing
Nmap Security Scanner

Nmap Security Scanner

Free

Security Testing

Security Testing
W

WebPerf-Snippets

Free

A curated list of snippets to get Web Performance metrics.

Performance Testing
JMeter DSL

JMeter DSL

Free

Simple JMeter performance tests API

Performance Testing
DopplerTask

DopplerTask

Free

A revolutionary open source software that allows you to easily automate tasks.

DevTools
Arachni

Arachni

Free

Web Application Security Scanner Framework

Security Testing
P

Playwright Explore Website

Open Source

A GitHub Copilot skill that automates exploratory web testing and discovery using Playwright MCP.

DevTools
ServerlessHorrors

ServerlessHorrors

Free

A collection of real-world serverless architecture failures, massive cloud bills, and architectural anti-patterns.

Learn Software Testing
Try

Try

Free

Inspect a command's effects before modifying your live system

DevTools
e

eslint-plugin-jsx-a11y

Free

Static AST checker for a11y rules on JSX elements.

Accessibility Testing
Gemini CLI

Gemini CLI

Free

An open-source AI agent that brings the power of Gemini directly into your terminal.

DevOps
ARIA DevTools

ARIA DevTools

Free

Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.

Accessibility Testing
E

EarlGrey

Free

🍵 iOS UI Automation Test Framework

Automated Checking
Snipclip

Snipclip

Free

Capture your screen effortlessly with a free, browser-based recorder requiring no setup, installation, or signups.

Screen Capture
ShellCheck

ShellCheck

Free

finds bugs in your shell scripts.

DevTools
fuite

fuite

Free

A tool for finding memory leaks in web apps

Memory
CrowdView

CrowdView

Free

Search exclusively on forum websites.

Other
AutoIt

AutoIt

Free

Automate the Windows GUI and general scripting

Desktop Automation
Writerside

Writerside

Free

IDE for writing documentation.

IDE
P

PlayPI

Free

Your Local API Testing Playground.

API Testing
D

Debugbar

Free

Get a better understanding of your application performance and behavior with the debugbar.

DevTools