The best Software Testing tools and resources on the internet.

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

Json Pub

Json Pub

Free

Generate a visualization of your JSON, XML, CSV, YAML, SVG, .INI, serialized, hex, base64, or binary data local only, and share data via a URL

Data
Reusable Email

Reusable Email

Free

Temporary and reusable inbox at your fingertip

Email Testing
ARIA DevTools

ARIA DevTools

Free

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

Accessibility Testing
Json Tree

Json Tree

Free

Simplify the formatting, validation, and visualization of JSON data

Data
Mimesis

Mimesis

Free

Generate wide range of fake data in multiple languages.

Test Data Generation
Promptfoo

Promptfoo

Free

Test your prompts, agents, and RAGs. Red teaming, pentesting, and vulnerability scanning for LLMs.

AI Testing
Instancio

Instancio

Free

A Java library for automating data setup in unit tests.

Test Data Generation
Maestro Workbench

Maestro Workbench

Free

Elevate Your Maestro YAML Development in Visual Studio Code

Automated Checking
S

Safetest

Free

Next-Generation UI Testing Library

Automated Checking
NPM Studio

NPM Studio

Free

Manage your npm packages directly from the VS code editor.

Automated Checking
JSON For You

JSON For You

Free

A JSON visualization and processing tool to enhance efficiency in visualizing, formatting, validating, and comparing JSON data.

Exploratory Testing
Dev Encyclopedia

Dev Encyclopedia

Free

Simplifying commonly used technical terms in Tech

Learn Software Testing
R

REST Assured NET

Free

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

API Testing
Light my Request

Light my Request

Free

Injects a fake HTTP request/response into a node HTTP server

Data
Appium Inspector

Appium Inspector

Free

GUI Inspector tool for all kinds of apps, powered by Appium

Automated Checking
Metasploit

Metasploit

Free

The world’s most used penetration testing framework

Security Testing
P

Portman

Free

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman

API Testing
c

cypress-ajv-schema-validator

Free

Streamlining JSON Schema Validation in Cypress

Data
w

wick-a11y

Free

Enhancing Web Accessibility Testing with Cypress

Accessibility Testing
CrUX Vis

CrUX Vis

Free

Visualizing Real-World User Experience Data with Chrome User Experience Report

Performance Testing
API Tester

API Tester

Free

Mobile app for iOS and Android for testing and using APIs.

API Testing
M

Mitata

Free

benchmark tooling that loves you ❀️

Performance Testing
Jest

Jest

Free

Delightful JavaScript Testing Framework

Automated Checking
SuperTest

SuperTest

Free

Simplifying HTTP Assertions for Node.js

API Testing
c

coTestPilot

Free

AI-Powered Testing for Playwright and Selenium

Learn Software Testing
P

PlayPI

Free

Your Local API Testing Playground.

API Testing
Shortest

Shortest

Free

AI-powered natural language end-to-end testing framework.

AI Testing
Micro Agent

Micro Agent

Free

Generate unit tests and iterates on code until the tests pass

AI Testing
Hercules

Hercules

Free

Open-source AI testing agent

AI Testing
NetExec

NetExec

Free

Ultimate Network Service Exploitation Tool

Security Testing
Hurl

Hurl

Free

Simplify HTTP Requests and Testing with Plain Text

Traffic Listener
JsonMocker

JsonMocker

Free

Simplify API Testing with Mock Data

Test Data Generation
DB Browser for SQLite

DB Browser for SQLite

Free

Auto-load your database and displays the data right inside VS Code

Data
Python-Fiddle

Python-Fiddle

Free

An online Python compiler, IDE, and interpreter directly in the browser.

Automated Checking
DevDb

DevDb

Free

Auto-load your database and displays the data right inside VS Code

Data
LocalSend

LocalSend

Free

An open-source cross-platform alternative to AirDrop for all platforms.

DevTools
SQL Studio

SQL Studio

Free

SQL Database Explorer [SQLite, libSQL, PostgreSQL, MySQL/MariaDB, DuckDB, ClickHouse]

DevTools
Strikt

Strikt

Free

An assertion library for Kotlin intended for use with a test runner such as JUnit, Minutest, Spek, or KotlinTest

Automated Checking
Zen

Zen

Free

A web browser for Windows, Mac, and Linux

Exploratory Testing
B

Base62

Free

Encode & decode strings, bytes, and integers to Base62

Automated Checking