Opera Unite是一种协作技术，它在Opera桌面浏览器中使用紧凑型服务器来共享数据和服务.您可以编写应用程序，以Opera Unite Services的形式，使用该服务器向其他Web用户提供内容.

Opera Unite is a collaborative technology that uses a compact server inside the Opera desktop browser to share data and services. You can write applications — in the form of Opera Unite Services — that use this server to serve content to other Web users.

来源: http://dev.opera. com/articles/view/an-introduction-to-opera-unite/

因此，Opera Unite在您的计算机上的您的浏览器中运行，然后Opera设置内容以允许访问您为本地Opera Unite服务器"编写的内容.

So Opera Unite runs inside your Browser on your Computer, Opera then sets up stuff to allow access to the stuff you wrote for your local Opera Unite "server".

Node.js是基于事件的异步I/O框架，它使用Google的V8 JavaScript引擎. Node.js通常用于大型客户端服务器JavaScript应用程序.

Node.js is an event based, asynchronous I/O framework that uses Google's V8 JavaScript engine. Node.js is commonly used for heavy client-server JavaScript applications.

来源: https://***.com/tags/node.js/info

Node.js是一个独立的框架，它不需要否浏览器，并且可以运行任何服务器. Node.js还允许Unite不允许的许多事情.有关更多信息，请阅读Tag Wiki.

Node.js is a standalone framework, it requires no Browser and can run any server. Node.js also allows for many things that Unite does not. For more information please read the Tag Wiki.

对于Node.js的良好印象，我推荐由其创建者Ryan Dahl制作的该视频:
http://www.yuiblog.com/blog/2010/05 /20/video-dahl/

For a good impression of Node.js I recommend this Video by its creator Ryan Dahl:
http://www.yuiblog.com/blog/2010/05/20/video-dahl/