Unit Testing, Coverage Criteria and Design for Testability.

Learn how to catch bugs and break software as you discover different testing methods that will help you build better software.

Chaos Engineering is the discipline of experimenting on a system in order to build confidence in the system’s capability to withstand turbulent conditions in production.

A curated list of Chaos Engineering resources.

This is an interactive book which aims to be the best place on the internet for learning SQL.

Learn SQL in a fun and gamified way.

Hypothesis is a modern implementation of property based testing, designed from the ground up for mainstream languages.

A sensible GraphQL testing tool to test your GraphQL schema locally and in the cloud.

Appium plugin designed to wait for element to be present.

API-first testing framework focusing only on testing Node.js (backend) applications

Library that provides an API to replay and stringify recordings created using Chrome DevTools Recorder

No WebDriver required. No manual timeouts needed. Cross-browser testing out-of-the-box.

The most powerful screen recorder & annotation tool for Chrome 🎥

Chrome and Firefox extension to discover problem areas in websites.

Capture or record a video of your screen, write text or arrows and share it. Extra features upon contributing 'any' amount.

A note-taking chrome extension: taking notes on the web with their context.

Session replay for delightful products

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

Challenge your apps on iOS with monkey testing 📱🐒

A high-performance load testing tool, written in Go.

Analyze HTML size and catch bloat like inline images, large React hydration state, or code duplication.

A GitHub Action that lets you automatically run tests against WebPageTest on code changes.

A web performance tool providing deep diagnostic information about how a page performs under a variety of conditions.

Load test any system with a distributed cluster

Analyze webpack production bundle

A CLI tool that helps you avoid undefined user behaviour by validating your API specifications.

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

Lint an npm or Yarn lockfile to analyze and detect security issues via predefined security policies.

An on-path blackbox network traffic security testing tool

Automate web applications security assessments

By mirroring traffic to and from your machine, mirrord surrounds your local service with a mirror image of its cloud environment.

A tool for securing CI/CD workflows with version pinning.

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

A server-less virtual Linux environment running fully client-side in HTML5 and WebAssembly.

Kubernetes-native framework for test definition and execution

Checkov scans cloud infrastructure configurations to find misconfigurations before they're deployed.

Makes JSON easy to read. Open source.

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

Jumpstart Your Web Accessibility Efforts Directly in Google Chrome

A beautiful JSON explorer packed with features

An extension that allows for Bionic Reading on any webpage!

Automate your chrome browser by connecting blocks.