Repository Index

Catch CSS curve balls.

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

Automate running Lighthouse for every commit, viewing the changes, and preventing regressions

• lighthouse
• webperf

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

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

A contract-driven gRPC regression harness for AI coding agents, with human-approved baselines. Snapshot the valid call chains of an API so an agent can look one up instead of tracing for it. gRPC today, OpenAPI next

👁 Visual Regression Testing for Storybook

• react
• react-native
• testing
• storybook

:recycle: Visual Regression Testing tool

• visual-tests
• nodejs
• regression-testing
• automation-tests

Open-source self-improving QA agent for software teams. A test harness with memory. Write tests in natural language for web and mobile. agent-qa learns from every run, adapts to UI changes, and catches regressions before you ship.

• playwright
• end-to-end-testing
• ai-testing
• ai-agents

Differencify is a library for visual regression testing

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

Continuous Regression Testing for Engineering Teams

• open-source
• regression-testing
• developer-tools
• performance-testing

Lightweight CSS regression testing

Cross-browser screenshot testing tool for Storybook with fancy UI Runner.

• selenium
• storybook
• testing
• visual-testing

📷 Visual regression test tool.

• visual-recognition
• reg-suit
• visual-regression-testing
• visual-tests

Regression Testing your SQL queries

Random testing library for C#

• quickcheck
• testing
• random
• regression-testing

recheck for web apps – change comparison tool with local Golden Masters, Git-like ignore syntax and "Unbreakable Selenium" tests.

• selenium-java
• regression
• testing-tools
• test-automation

A performant visual regression testing tool

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

Common Lisp regression testing framework

OSnap is a snapshot testing tool, which mainly focuses on speed and ease of use.

• diff
• snapshot-testing
• testing
• snapshot

AET - a system that detects visual changes on web sites and performs basic page health checks

• aet
• regression-tests
• automation
• testing

Visual testing for React Native. Catch visual regressions on iOS and Android simulators in the cloud, before they ship.

• component-visual-testing
• react-native
• storybook
• test-automation

Visually Validate Playwright Tests Without Flaky Selectors

• ai
• api
• cypress
• cypress-io

UI regression and functional testing on dev and live sites

Lastest Visual Regression Testing - Cloud/Self-hosted version

• ai-testing
• mcp
• mcp-server
• model-context-protocol

Quicker, more user friendly visual regression testing