The best Software Testing tools and resources on the internet.

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

Join BrowserStack's QA Leadership Summit 2026 on Sep 23

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A few years ago, the challenge was getting more testing done. Today, QA leaders are asking a different question: where does QA create the most value when software can be built and tested in entirely new ways? Join BrowserStack's QA Leadership Summit 2026 on September 23 to hear how leaders and practitioners are approaching that shift in the real world.

Explore the new QA Playbook!

Python-Fiddle

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

Automated Checking

DB Browser for SQLite

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

Wfuzz

Automate web applications security assessments

Security Testing

NVDA

Open source screen reader

Accessibility Testing

Rem

An open source approach to locally record and enable searching everything you view on your Mac.

Open Graph Tester

Preview and test your website's Open Graph data

ARIA DevTools

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

Accessibility Testing

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

Mizu

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

Repo Lockdown

A GitHub Action that immediately closes and locks issues and pull requests.

JsonGuide

User-friendly resource for learning, validating, and formatting JSON content.

Automated Checking

Gemini CLI

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

BITB

Browser templates for Browser In The Browser (BITB) attack.

Security Testing

Wapiti

Web vulnerability scanner written in Python3

Security Testing

WAVE

Web Accessibility evaluation tool

Accessibility Testing

MS Teams Test Reporter

Publishes test results to Microsoft Teams & Slack

Automated Checking

TestKube

Kubernetes-native framework for test definition and execution

API Tester

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

LICEcap

Capture any area of your desktop and save it directly to .GIF

DeskHop

Fast Desktop Switching.

Sniffnet

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

Traffic Listener

Kali Linux

Operatng System

Security Testing

ColorContrast.App

Check and suggests colors to meet the required WCAG or APCA contrast ratio.

Accessibility Testing

PDFTool

Client-side only, privacy-friendly PDF editor.

Cucumber

#BDD

Automated Checking

Fail2ban

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

FocusBloom

Enhance your productivity and time management skills through focused work intervals and short breaks.

Task Management

EventKT

An Android analytics library created using Kotlin.

Performance Testing

Tldts

JavaScript Library to extract domains, subdomains and public suffixes from complex URIs.

Playwright Magic Steps

Auto-transform JavaScript comments into Playwright steps

Automated Checking