vue.js : Vue.js is a library for building interactive web interfaces. It provides data-reactive components with a simple and flexible API. Core features includ...
Mousetrap : A simple library for handling keyboard shortcuts in Javascript.
Tracery : A story-grammar generation library for javascript. Write grammar objects, get generative stories.
Styletron : Styletron is a universal CSS-in-JS engine built from the ground up for high-performance.
For web application developers, the '''JavaScript Templates''' engine from TrimPath is a lightweight APL / GPL open-source component that lets you have template-based programming (like PHP/ASP/JSP) while running in a web browser