Redux Elm
The Elm Architecture in JavaScript http://salsita.github.io/redux-elm/
Mediator.js
An implementation of the mediator pattern for asynchronous events in Javascript
Fluxible
A pluggable container for isomorphic flux applications
Visibility.js
Visibility.js allows you to determine whether your web page is visible to a user, is hidden in background tab or is prerendering. It allows you to use the page visibility state in JavaScript logic and improve browser performance by disabling unnecessary timers and AJAX requests, or improve user interface experience (for example, by stopping video playback or slideshow when user switches to another browser tab).
Portal Vue
A Portal Component for Vuejs, for rendering DOM outside of a component, anywhere in the document.
Supermodel
Supermodel - Minimal Model Tracking for Backbonejs
Sails
Realtime MVC Framework for Node.js
Machina.js
js ex machina - finite state machines in JavaScript
Backbone Associations
Create object hierarchies with Backbone models; Respond to hierarchy changes using regular Backbone events.
Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
Platform.js
A platform detection library that works on nearly all JavaScript platforms.
History.js
History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTools and Prototype. For HTML5 browsers this means that you can modify the URL directly, without needing to use hashes anymore. For HTML4 browsers it will revert back to using the old onhashchange functionality.
Ripple
A tiny foundation for building reactive views
Handlebars.js
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration. An extension to the Mustache templating language created by Chris Wanstrath.
Redhooks
Predictable state container for React apps written using Hooks
Speakingurl
Generate of so called "static" or "nice-looking" or "slug" or "SpeakingURL" from a string.
Stampit
Create objects from reusable, composable behaviors.