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.)
spritesmith
Utility that takes images and creates a spritesheet with JSON sprite data
gulp.spritesmith
Convert a set of images into a spritesheet and CSS variables via gulp