dpdxt make continuous deployment safe by comparing before and after webpage screenshots for each release. depicted shows when any visual, perceptual differences are found
PhantomCSS visual/CSS regression testing with PhantomJS
Huxley testing system for catching visual regressions in Web applications
Applitools Eyes testing of all the visual aspects of your application
CSS Critic lightweight framework for regression testing of Cascading Style Sheets
Gemini utility for regression testing of web pages using screenshots
Needle automated tests for your CSS
Galen Framework supports both JavaScript and Java tests
Snap and Compare screenshot comparison tool used for CSS Visual Regression Testing
Specter dead simple automated visual regression testing
WebdriverCSS regression testing tool for WebdriverIO
Grunt PhotoBox plugin for creating screenshots of any site and compare them
FBSnapshotTestCase snapshot view unit tests for iOS
