moonbirds - generate your own 42×42 (or lil' 24×24) pixel owl images (off-blockchain) from text attributes (via built-in spritesheets); incl. 2x/4x/8x zoom for bigger sizes and more

nouns - generate your own 32×32 pixel avatar images (off-blockchain) from text attributes (via built-in spritesheet); incl. 2x/4x/8x zoom for bigger sizes and more

Image aspect ratio calculation utility

SexItUp allows for the easy drop-in of public domain images for site mockups and user avatars.

Easy image placeholders via Placehold.it

guard-rails-assets automatically generates JavaScript, CSS, Image files using Rails assets pipelie

A dead-simple image rendering DSL.

cyberpunks - generate your own cyberpunk (blade runner) sci-fi 32×32 pixel avatar images (off-blockchain) from text attributes (via built-in spritesheet); incl. 2x/4x/8x zoom for bigger sizes and more

Use the rails image_tag without fingerprinting.

The djatoka library provides some simple methods for creation of the OpenURLs needed to communicate with the Djatoka image server.

This gem integrates CKEditor 5 with CarrierWave to allow image upload.

Create chart images and embed them in emails, reports, and elsewhere.

Generates transparent PNG "bumpspark"-style sparklines. Use from Ruby directly or as a Rails helper generating an image tag w/ built-in data, as conceived by whytheluckystiff.

Build and template awesome Docker images a variety of ways.

Use GraphicsMagick to load images in a Prawn docuemnt

Dragonfly analysers and processors for libvips image processing library.

Ruby library for image galleries generation.

Create images combining app screenshots with templates to make nice pictures for the App Store

Viewerjs's images, stylesheets and javascript files packed here to be used with Rails

Create ascii art quine from image file