recheck-web is described as 'Golden Master-based test framework on top of Selenium that allows for easy creation and maintenance of more complete and nearly unbreakable tests. If you want to give it a quick try, checkout the Chrome extension that is based on recheck-web' and is an app in the Development category. There are four alternatives to recheck-web for Linux, Mac, Online / Web-based, Windows and Node.JS. The best alternative is VisWiz.io. It's not free, so if you're looking for a free alternative, you could try Spectre or VisualReview.
VisWiz.io is a visual regression testing SaaS tool that helps with catching unwanted UI changes, by integrating with a testing suite and analyzing any visual differences on projects. VisWiz.io supports any UI, from web applications to native mobile and desktop apps.