Make your Backbone.js apps dance with a composite application architecture!
pushState + ajax = pjax
Micro check library
MJML: the only framework that makes responsive-email easy
A Module Loader for the Web
Next-generation DOM manipulation
Marko template engine
Micro client-side router inspired by the Express router (~1200 bytes)
Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux