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.

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.

Jest matcher for image comparisons. Most commonly used for visual regression testing.

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

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

open-source software for better troubleshooting common problems that occurred in Java applications.

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.

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.

Visualise tab order with ease

The all-in-one tool to supercharge your productivity ⌨️