Diffee Checker : Instant visual diffing with CSS blend modes!
Simply enter the sites you want to compare. Locally hosted addresses and files also work (so you can see ...
Multicolr Search Lab : We extracted the colors from 20 million Creative Commons images on Flickr to make the images searchable by color.
MailHog : MailHog is an email testing tool for developers:
Configure your application to use MailHog for SMTP delivery
View messages in the web UI, or retrieve ...
JSHint : This is JSHint, a tool that helps to detect errors and potential problems in your JavaScript code.
Micoo is a pixel based screenshots comparison solution for visual regression test