Make continuous deployment safe by comparing before and after webpage screenshots for each release. Depicted shows when any visual, perceptual differences are found. This is the ultimate, automated end-to-end test.
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Elixir library for writing integration tests and browser automation
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
User-oriented Web UI browser tests in Python
- automation
- e2e-testing
- python
- selene
Differencify is a library for visual regression testing
- visual-testing
- nodejs
- headless-chrome
- visual-regression-testing
Automated tests for your CSS.
- python
- css
- screenshot
- testing
Write and debug tests easily, with full action history, time travel, screenshots, rapid re-execution, video records, interactivity, isolation and more
C#/.NET test automation framework for web
Cross-browser screenshot testing tool for Storybook with fancy UI Runner.
AI-powered E2E testing for 10 platforms. 253 MCP tools. Zero config. Works with Claude, Cursor, Windsurf, Copilot. Test Flutter, React Native, iOS, Android, Web, Electron, Tauri, KMP, .NET MAUI — all from natural language.
.NET C# bindings for Appium, extending the Selenium .NET library
- appium
- csharp
- dotnet
Grunt plugin for creating screenshots of any site and compare them
Playwright PHP library for browser automation: navigation, E2E tests, assertions, screenshots, and so much more!
- browser
- browser-automation
- php
- php-browser
OSnap is a snapshot testing tool, which mainly focuses on speed and ease of use.
- diff
- snapshot-testing
- testing
- snapshot
A framework for speeding up the development of automated UI tests for Windows, Android, iOS, and Web with Appium/Selenium on .NET
- appium
- winappdriver
- pageobject-pattern
- uwp
A framework for easily testing Push Notifications and Routing in XCUITests
Appium Native Crawler CLI - Features include: Screenshots, Performance, Accessibility Detection, Google Translate, Applitools, Monkey Tester
A WebDriver server for iOS that runs inside the Simulator.
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
Unified UI Testing Framework for Uno Platform based applications
Intelligent web page comparison tool with Wayback Machine support and visual regression testing
- visual-comparison
- wayback-machine
- web-scraping
- diff
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