Lunr.js
A bit like Solr, but much smaller and not as bright
Mustache.js
Minimal templating with {{mustaches}} in JavaScript
Lodash
An alternative to Underscore.js, delivering consistency, customization, performance, and extra features.
Stately.js
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.
Redux Elm
The Elm Architecture in JavaScript http://salsita.github.io/redux-elm/
Radial Menu
A highly customizable radial menu that's very easy to setup.
Nanobar
Very lightweight progress bars. No jQuery
Vue Moment
Handy Moment.js filters for your Vue.js project.
UI Router
The de-facto solution to flexible routing with nested views
Graphql Editor
GraphQL Visual Node Editor
Redux Side Effects
Redux toolset for keeping all the side effects inside your reducers while maintaining their purity.
Frontless
Build universal JS applications with Riot.JS
Fishbone.js
A super lightweight (½kb) JavaScript library with automatic method chaining, automatic context binding, event support and simple inheritance. c-{{{-<
Backbone Associations
Create object hierarchies with Backbone models; Respond to hierarchy changes using regular Backbone events.
Flakes
Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.
Almond
A minimal AMD API implementation for use after optimized builds
Jade
Jade - robust, elegant, feature rich template engine for nodejs