The best Software Testing tools and resources on the internet.

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

What are the best QA minds thinking about right now?

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Breakpoint 2026 is where you find out. This year's speakers are sitting with the questions most teams haven't said out loud yet — about what AI really changes for the QA engineer, whether test automation has ever delivered what it promised, and where human judgment still belongs in all of this. Keith Klain, Avinash Ahuja, Brittany Stewart, and Ashley Hunsberger each have an answer. And they don't all agree. Join them from wherever you are, 12–15 May.

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Postman Security Test Generator

Execute role based security tests on APIs

Security Testing

ProAutoma API Tester

Free with Paid Plan

Online REST API client

Base62

Encode & decode strings, bytes, and integers to Base62

Automated Checking

Responsive Viewer

Show multiple screens once, Responsive design tester.

Browser Automation

JPad

Java Scratchpad - Instantly write java snippets and see nicely formatted results.

Hurl

Simplify HTTP Requests and Testing with Plain Text

Traffic Listener

PasteSafely

A Pastebin alternative

Metasploit

The world’s most used penetration testing framework

Security Testing

Polly

Record, Replay, and Stub HTTP Interactions.

Automated Checking

graphviz

Open source graph visualization software

Visual Modeling

KIF

Keep It Functional - An iOS Functional Testing Framework

Automated Checking

OpenReplay

Session replay for delightful products

Exploratory Testing

Little Rat

Easily network traffic monitoring with view, monitor, and block traffic from other.

Traffic Listener

Wfuzz

Automate web applications security assessments

Security Testing

Lynis

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

Security Testing

Eclipse

IDE

CSV generator

Web CSV Generator is a web-based random CSV data generator written in JavaScript. It allows to generate CSV files.

Test Data Generation

Git Bug

Distributed, offline-first bug tracker embedded in git, with bridges

Strikt

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

Automated Checking

Pile

A privacy-friendly, open source journaling app for Mac.

borp

node:test runner wrapper with TypeScript support

Automated Checking

Dispostable

Your basic anonymous temporary email address.

Nbomber

Free with Paid Tire

Load test any system with a distributed cluster

Performance Testing

Mozilla Observatory

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

Security Testing

PDFTool

Client-side only, privacy-friendly PDF editor.

Screen Ruler

Measure sizes, distances, margins and paddings of any element on any web page.

Exploratory Testing

Pitest

State of the art mutation testing system, providing gold standard test coverage for Java and the jvm.

Automated Checking

Extract Table

Extract a table from an image or a PDF, using AWS Textract

Exploratory Testing

Sudo for Windows

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

JSON For You

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

Exploratory Testing