The best Software Testing tools and resources on the internet.

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

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Breakpoint 2026 is where you find out. This year's speakers are sitting with the questions most teams haven't said out loud yet — about what AI really changes for the QA engineer, whether test automation has ever delivered what it promised, and where human judgment still belongs in all of this. Keith Klain, Avinash Ahuja, Brittany Stewart, and Ashley Hunsberger each have an answer. And they don't all agree. Join them from wherever you are, 12–15 May.

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Nmap Security Scanner

Security Testing

Security Testing

ReqBin

ReqBin is an online API testing tool for REST and SOAP APIs.

Awesome Penetration Testing

A collection of awesome penetration testing and offensive cybersecurity resources.

Security Testing

Litmus

Cloud Native Chaos Engineering platform

Performance Testing

Zé Faker

zefaker is a command-line tool for generating CSV, Excel, JSON and SQL files from a Groovy DSL

Test Data Generation

Fiddler

By Telerik

Traffic Listener

GradeJS

Analyze webpack production bundle

Security Testing

Thunderbird

Make Email Easier

Stryker Mutator

Test your tests with mutation testing.

Automated Checking

Automa

Automate your chrome browser by connecting blocks.

JSONView

View JSON in a browser, with syntax highlighting, collapsible arrays and objects, and nice readable formatting.

Selenium Wire

Extends Selenium's Python bindings to give you the ability to inspect requests made by the browser.

Automated Checking

Mizu

A simple-yet-powerful API traffic viewer for Kubernetes.

WebVM

A server-less virtual Linux environment running fully client-side in HTML5 and WebAssembly.

puppeteer-to-playwright

Puppeteer to Playwright conversion script

Automated Checking

LINQPad

LINQPad is a software utility targeted at .NET Framework development.

RegExGPT

Generate regex patterns by inputting an example of the text.

sqlmap

Automatic SQL injection and database takeover tool

Security Testing

Gremlin

Avoid costly downtime. Minimize your risk of system failure by proactively testing for weaknesses before they become outages.

Performance Testing

Writerside

IDE for writing documentation.

DopplerTask

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

Dsq

Commandline tool for running SQL queries against JSON, CSV, Excel, Parquet, and more.

Payloads All The Things

A list of useful payloads and bypasses for Web Application Security

Security Testing

Allinone Tools

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

TestCafe

No WebDriver required. No manual timeouts needed. Cross-browser testing out-of-the-box.

Automated Checking

Conftest

A utility to help you write tests against structured configuration data

Wapiti

Web vulnerability scanner written in Python3

Security Testing

Insomnium

Privacy-focused and 100% local API testing tool.

Mochawesome

A Gorgeous HTML/CSS Reporter for Mocha.js

Automated Checking

taba11y

Visualise tab order with ease