DOMAssistant : The modular lightweight JavaScript library, with CSS selectors, event handling, AJAX and complete Unicode support
Frappe Charts : GitHub-inspired simple and modern charts for the web with zero dependencies.
InstantClick : InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.
Zepto.js : Zepto is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API. If you use jQuery, you already know how to use Zept...
Microjs : Fantastic Micro-Frameworks and Micro-Libraries for Fun and Profit!
A library to generate PDFs in client-side JavaScript.