The best Software Testing tools and resources on the internet.

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

Git History Diff

Git History Diff

Free

VS Code extension to view Git history, diff of committed files, git blame info, stash details, and more.

DevTools
Password Tech

Password Tech

Free

Password generator and password manager for Windows with full Unicode support.

DevTools
Sudo for Windows

Sudo for Windows

Free

new way for users to run elevated commands directly from an unelevated console session.

DevTools
Animate SQL

Animate SQL

Free

Visualize SQL queries online.

Learn Software Testing
D

Dsq

Free

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

DevTools
c

cypress-ajv-schema-validator

Free

Streamlining JSON Schema Validation in Cypress

Data
Brimstone

Brimstone

Free

Perform visual testing with record and play Brimstone pixel-perfect webpage automation tests.

Automated Checking
S

Selewright

Free

A Unified Browser Automation Tool for Test Automation.

Automated Checking
It Tools

It Tools

Free

Aggregated set of useful tools that every developer and tester may need once in a while.

DevTools
d

dockertest

Free

Write better integration tests! Dockertest helps you boot up ephermal docker images for your Go tests with minimal work.

DevOps
A

AgentProbe

Open Source

Playwright for AI Agents. Test what your agent DOES, not what it SAYS. YAML-first behavioral testing. Catch PII leaks, tool abuse, step explosions. 3200+ tests.

DevTools
Bruno

Bruno

Free

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

API Testing
Appium Inspector

Appium Inspector

Free

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

Automated Checking
MagentaA11y

MagentaA11y

Free

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

Accessibility Testing
S

Safetest

Free

Next-Generation UI Testing Library

Automated Checking
Fake API

Fake API

Free

Free public API to test API endpoints and retrieve dummy JSON data swiftly.

API Testing
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
Zerostep

Zerostep

Free Plan

Supercharge your Playwright tests with AI

AI Testing
Rayrun

Rayrun

Free

Collection of 70+ testing and development productivity tools β€” all in one place!

DevTools
T

The Unit Testing Diet App

Free

Learn to effectively unit test an MVVM app at scale

Automated Checking
TestCase Studio

TestCase Studio

Free

It’s a browser extension that records the user actions performed on a web application in English Sentences.

Automated Checking
M

Moq

Free

The most popular and friendly mocking framework for .NET

API Testing
Snipclip

Snipclip

Free

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

Screen Capture
SSR Checker

SSR Checker

Free

Quick and visual way to verify server-side rendering (SSR) on any web page.

DevTools
OddContrast

OddContrast

Free

A color contrast checker for modern CSS color formats.

Accessibility Testing
gauge

gauge

Free

Light weight cross-platform test automation

Automated Checking
Sniffnet

Sniffnet

Free

A user-friendly network monitoring tool, built with Rust, to help you easily keep track of your Internet traffic.

Traffic Listener
NetExec

NetExec

Free

Ultimate Network Service Exploitation Tool

Security Testing
A

Actions Batch

Free

Run a shell script in an isolated, immutable environment, collect the logs or results.

DevTools
Fail2ban

Fail2ban

Free

It scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc

Security Testing