The best Software Testing tools and resources on the internet.

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

Jest OpenTelemetry

Jest OpenTelemetry

Free

Write, build and run integration tests based on OpenTelemetry traces with Jest-like syntax.

Automated Checking
Postman to K6

Postman to K6

Free

Converts all the Postman requests, including tests, variables, ... to K6 scripts

Performance Testing
Select Star SQL

Select Star SQL

Free

This is an interactive book which aims to be the best place on the internet for learning SQL.

Learn Software Testing
Mobile Security Framework

Mobile Security Framework

Free

Mobile Security Framework (MobSF) is an automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis.

Security Testing
WebPageTest

WebPageTest

Free with Paid Tire

A web performance tool providing deep diagnostic information about how a page performs under a variety of conditions.

Performance Testing
A

Awesome Claude Skills

Free

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows — particularly Claude Code

AI Testing
AltUnity Tester

AltUnity Tester

Free

UI Test Automation for Unity applications

Desktop Automation
Maestro

Maestro

Free

An easy-to-use automation testing framework for mobile apps.

Automated Checking
c

codespelunker

Free

A command line search tool.

DevTools
JSON Viewer

JSON Viewer

Free

An online JSON viewer that lets you minify, beautify, and load JSON from a file.

DevTools
SikuliX

SikuliX

Free

Automation of GUI components with mouse and keyboard actions.

Desktop Automation
Hasty

Hasty

Free

JS performance

Performance Testing
d3

d3

Free

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

Visual Modeling
Artillery Engine Playwright

Artillery Engine Playwright

Free

🌐 Load test with real browsers! Powered by Artillery + Playwright

Performance Testing
Nexial

Nexial

Free

Test automation for everyone - test automation platform with support for web (selenium), desktop, database, api and much more. Coding not required ;-)

Desktop Automation
Advanced REST Client

Advanced REST Client

Free

A better API testing tool

API Testing
Behave

Behave

Free

#BDD

Automated Checking
JsonT.run

JsonT.run

Free

online JSON formatting and processing tool with powerful functions

DevTools
Mark Text

Mark Text

Free

Simple and Elegant Markdown Editor

DevTools
Allinone Tools

Allinone Tools

Free

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

DevTools
Restfox

Restfox

Free

Offline-first web HTTP client

Traffic Listener
L

Lynis

Free

Security auditing and hardening tool, for UNIX-based systems.

Security Testing
Unlighthouse

Unlighthouse

Free

Scan your entire site with Google Lighthouse in 2 minutes (on average).

Performance Testing
v

vitest-profiler

Free

A Vite plugin that surfaces performance bottlenecks within your test suite

Automated Checking
Jsystem

Jsystem

Free Plan

Simplify creating, managing, and executing automated tests.

Automated Checking
Eclipse

Eclipse

Free

IDE

IDE
Gemini CLI

Gemini CLI

Free

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

DevOps
a

astro-font

Free

`astro-font` will automatically optimize your Custom Fonts, Local Fonts, Fonts over any CDN and Google fonts for performance.

Performance Testing
Swift Testing

Swift Testing

Free

A package with expressive and intuitive APIs that make testing your Swift code a breeze.

Automated Checking
Endtest

Endtest

Paid

Intelligent Test Automation

Automated Checking