gulp.spritesmith
Convert a set of images into a spritesheet and CSS variables via gulp
spritesmith
Utility that takes images and creates a spritesheet with JSON sprite data
svg-sprite
SVG sprites & stacks galore — A low-level Node.js module that takes a bunch of SVG files, optimizes them and bakes them into SVG sprites of several types along with suitable stylesheet resources (e.g. CSS, Sass, LESS, Stylus, etc.)