Compix for oilypng

Diffux-CI, a perceptual diff tool for JS components

Tools for taking and comparing responsive website snapshots

Turn images into collages of emoji

Applitools Ruby SDK

Triangular pixel effects on PNGs

UI testing/screenshot diffing tool

Gridium makes integrating ruby and Selenium a breeze. This is not for novice automation engineers. Novices should checkout Capybara. However, if you're comfortable with Selenium, and have used Capybara but find it not working well give Gridium a shot.

Happo, a perceptual diff tool for JS components

headdesk helps identify and solve common issues in mobile development by analizing APKs and IPAs.

Automated visual regression testing on Sauce Labs.

Uses KMeans clustering and the L*A*B* colorspace to extract "approximate human vision" dominant colors from an image. Optionally, use Euclidean Distance to map those dominant colors into preferred "color bins" for a search index facet-by-color solution.

A library for generating mazes. It supports orthogonal & sigma tessellations in the ASCII or PNG output formats.

Monet is a web UI change comparer.

Test your RubyMotion apps using screenshot comparison.

Image Capturing and assertion at element level, all you need is a single assert statement

["OSM-rb", "allows", "you", "to", "manipulate", "and", "export", "OSM", "map", "tiles.", "This", "includes", "downloading", "tiles,cropping", "to", "any", "specified", "region,", "drawing", "routes", "on", "the", "map", "and", "exporting", "them", "as", "PNG", "files."]

Simple library to checks whether the margins are clear in a PDF

Test for visual regressions using your existing testing stack.

Encode png for swfmill bitmap formats.