base-classes
Useful JavaScript base classes for efficient and quick solutions to common problems.
proto
A prototype-based inheritance library that makes it easy to create objects and inheritance hierarchies without losing the power of javascript's prototype system.
class-js2
Simple and powerful class utility to allow the easy use of OOP in JS. Includes inheritance, mixins, abstract classes, inherited statics, and more.
java-class
Class.js is a Javascript library designed to allow easy, non-obtrusive creation of Java-like classes without requiring a cross-compiler, and without otherwise interfering with the capabilities of Javascript.