Repository Index

A persistent service that generates mock data quickly and provids visualization view.

• mock
• easy-mock
• data-generator
• swagger

Catch CSS curve balls.

• javascript
• screen-capture
• chrome-headless
• backstopjs

AWS Lambda Power Tuning is an open-source tool that can help you visualize and fine-tune the memory/power configuration of Lambda functions. It runs in your own AWS account - powered by AWS Step Functions - and it supports three optimization strategies: cost, speed, and balanced.

• aws
• aws-lambda
• serverless
• stepfunctions

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

• jest
• testing
• snapshot
• visual-comparison-testing

Personal portfolio website with interactive animations and visual storytelling. Built with React, featuring modular scene management, comprehensive testing, and smooth cross-device performance.

• portfolio-website
• scrolling
• webpack
• vanilla-javascript

🚦 Your own mini Travis CI to run tests locally

👁 Visual Regression Testing for Storybook

• react
• react-native
• testing
• storybook

Differencify is a library for visual regression testing

• visual-testing
• nodejs
• headless-chrome
• visual-regression-testing

Lint the rendered UI: catches overflowing text, low contrast, overlaps, broken responsive layouts, emoji icons and more in any web framework. Built for AI coding agents.

• accessibility
• ai-agents
• claude-code
• contrast

querySelector that can pierce Shadow DOM roots without knowing the path through nested shadow roots. Useful for automated testing of Web Components. Production use is not advised, this is for test environments/tools such as Web Driver, Playwright, Puppeteer

• webcomponents
• shadow-dom
• javascript
• puppeteer

A performant visual regression testing tool

• visual-regression
• testing-tools
• regression
• testing

:heavy_check_mark: Run tests for multiple versions of Node.js in local env.

• test
• travis
• circleci

A npm package for testing files or url's again the wc3 validator

grids for rapid D3 charts mockups

• d3
• d3js
• dataviz
• infovis

Visually Validate Playwright Tests Without Flaky Selectors

• ai
• api
• cypress
• cypress-io

Test screens for visual differences to previous versions.

Quicker, more user friendly visual regression testing

GitHub Action: screenshot two URLs and post a visual diff as a PR comment. Free visual regression testing.

• ci-cd
• github-actions
• puppeteer
• screenshot-diff