Tracery : A story-grammar generation library for javascript. Write grammar objects, get generative stories.
Closure Tools : The Closure Compiler, Library, Templates, and Stylesheets help developers create powerful and efficient JavaScript.
store.js : localStorage wrapper for all browsers without using cookies or flash. Uses localStorage, globalStorage, and userData behavior under the hood.
Vex : Vex is a modern dialog library which is highly configurable, easily stylable, and gets out of the way. You'll love vex because it's tiny (6kb minified...
Leaflet : A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps
Scrollama is a modern & lightweight JavaScript library for scrollytelling using IntersectionObserver in favor of scroll events. The goal of this library is to provide a simple interface for creating scroll-driven interactives