You can work with icons only in the highest density (xxxhpdi, for example) and let the ‘adr’ command take care of resizing them for all the densities from ldpi to xxhdpi.

A command-line tool to convert PNG images to ANSI escape codes.

Apache module providing image resizing functionality.

Generate icon for iOS, Android

This is a Ruby script that will write out app icons needed for macOS apps, iOS apps, etc. from a 1024px x 1024px image.

Simply concatenates two iPhone screenshots into a single 620px wide image.

A tool to generate montage images for album art

Ath helps you plan your workout using exercises from the open source app, 'wger'.

Simple similarity calculation method of image

A git repository analyzer

Bagel is a tennis video editor/annotator.

The rails engine which lets you the time to drink some beers!

Setup a network of bots only waiting to attack a few lonesome servers and force them to their limits

Shogi library

This is an implementation of Bottom-Left method to 2-Dimensional Strip Packing Problem.

This is a perceptual image hash calculation and comparison tool based on the blockhash method. This can be used to match compressed or resized images to each other.

Detect faces and uses RMagick to blur faces.

BMP2SSD1306 is an image converter for SSD1306 OLED. It converts the BMP image into the file that has the memory layout of the SSD1306.

Generates a representation of a syntax tree using a string of bracket notation.

A CMS that tries hard to not get in your way!