Onfire.js
onfire.js is a simple events dispatcher subscribe / publish library (< 1kb). async, simple and usefull.
Next.js
Next.js is a lightweight framework for static and server‑rendered applications.
Canjs
Can do JS, better, faster, easier.
Theory
Abstraction layer for cross platform JavaScript.
Cram
Simple AMD and CommonJS module bundler.
Sherlock
Natural-language event parser for Javascript
Conditioner
Frizz Free, Environment-aware, JavaScript Modules
Koa
Expressive middleware for node.js using ES2017 async functions
Mobservable
Observable data. Reactive functions. Simple code.
Joosy
Joosy is a browser applications framework. That is based on Rails, CoffeeScript and love.
Gijgo
Gijgo - Free Javascript Controls
Highway
A fast, lightweight and simple Javascript routing library with no dependencies.
Angular Meteor
Combining the simplicity and power of AngularJS and Meteor
Js Cache
jsCache is a javascript library that enables caching of javascripts, css-stylesheets and images using my localStorage polyfill. This is especially useful when serving your website for mobile phones, which have limited HTTP caching available, but also speeds up your site in an ordinary web browser as it saves HTTP requests and loads all files asynchronously.
Black Hole.js
Renders black hole gravitational lensing effects in an image canvas using WebGL, glfx.js, and numeric.js
jStorage
jStorage is a simple key/value database to store data on browser side. As a bonus it is also a local pubsub platform to sync data between tabs/windows
Simplate
A simple, but powerful, templating engine for JavaScript.