glslify
A node.js-style module system for GLSL!
glslify-bundle
Bundle a glslify-deps dependency tree into a GLSL source string
glsl-easings
Robert Penner's easing functions in GLSL, available as a module for glslify.
glsl-constants
Common GLSL math constants (with 11 decimals) available both as ES modules strings and as GLSL files for use with glslify.