The best Software Testing tools and resources on the internet.

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

Mozilla Observatory

Mozilla Observatory

Free

online tool that you can use to check any website’s header status.

Security Testing
Bundle Scanner

Bundle Scanner

Free

Identify NPM libraries included in Javascript files

Performance Testing
Toxiproxy

Toxiproxy

Free

⏰ πŸ”₯ A TCP proxy to simulate network and system conditions for chaos and resiliency testing

Performance Testing
Pest

Pest

Free

Pest is an elegant PHP Testing Framework with a focus on simplicity.

Automated Checking
SuperTest

SuperTest

Free

Simplifying HTTP Assertions for Node.js

API Testing
FreeFileSync

FreeFileSync

Free

Open Source File synchronization

DevTools
Hemmelig

Hemmelig

Free

Paste a password, confidential message, or private data.

DevTools
Stetho

Stetho

Free

A debug bridge for Android applications.

DevOps
VS Code-jest

VS Code-jest

Free

The optimal flow for Jest based testing in VS Code

Automated Checking
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
Sitespeed.io

Sitespeed.io

Free

Performance Testing

Performance Testing
D

DB Browser for SQLite

Free

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

Data
NPM Studio

NPM Studio

Free

Manage your npm packages directly from the VS code editor.

Automated Checking
SQLBolt

SQLBolt

Free

Learn SQL with simple, interactive exercises.

Learn Software Testing
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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
Advanced REST Client

Advanced REST Client

Free

A better API testing tool

API Testing
TimeLapze

TimeLapze

Free

A open-source menu bar application for creating screen and camera timelapses without excessive file sizes.

Screen Capture
Explain and Send Screenshots

Explain and Send Screenshots

Free

Capture or record a video of your screen, write text or arrows and share it.

Exploratory Testing
RegxGo

RegxGo

Free

An easy-to-use, AI-powered regular expressions generator.

Data
Vegeta

Vegeta

Free

HTTP load testing tool and library. It's over 9000!

Performance Testing
beef

beef

Free

It is a penetration testing tool that focuses on the web browser.

Security Testing
Web Developer

Web Developer

Free

A browser extension that adds various web developer tools to a browser.

DevTools
Text Expander

Text Expander

Paid

TextExpander lets you instantly insert snippets of text from a repository of emails, boilerplate and other content, as you type – using a quick search or abbreviation.

Other
Trello

Trello

Free

Dashboards for organizing tasks

Task Management
ScalaCheck

ScalaCheck

Free

Property-based testing for Scala

Automated Checking
Deepfence ThreatMapper

Deepfence ThreatMapper

Free

Identify vulnerabilities in running containers, images, hosts and repositories

Security Testing
JSONLINT

JSONLINT

Free

Validate, format, and lint JSON

DevTools
Url To Json

Url To Json

Free

Display the page's content in JSON format.

Data
OpenClover

OpenClover

Free

Most sophisticated code coverage tool for Java and Groovy.

DevTools
Hurl

Hurl

Free

Simplify HTTP Requests and Testing with Plain Text

Traffic Listener