The Ruby Programming Language

Gravity Programming Language

C++ Design Patterns

Goby - Yet another programming language written in Go

OOP is better with stamps: Composable object factories.

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

It is a repository that is a collection of algorithms and data structures with implementation in various languages.

💎 The Principles of OOD (SOLID) based on Uncle Bob articles.

Multiphysics Object Oriented Simulation Environment

Simple and flexible programming language for applications development

Object oriented web framework for Kotlin/JS

A text-based widget toolkit

A distributed web crawler framework.（分布式爬虫框架XXL-CRAWLER）

A syntax-highlighting text editors that renders to an HTML5 Canvas

C++ library strictly wrapping OpenGL objects.

A pure Kotlin UI framework for the Web (and Desktop).

A WordPress plugin skeleton built using object-oriented principles and the MVC pattern.

30 lines library for object orientation in Lua

面向对象设计的设计原则和设计模式

Interpreter with support for class, linq, sql, net, http, fmt, json and A realtime syntax highlighting REPL.