Stackless Python
Stackless Python is an enhanced version of the Python programming language. It allows programmers to reap the benefits of thread-based programming without the performance and complexity problems associated with conventional threads.
Yii Framework
Yii is a high-performance component-based PHP framework best for Web 2.0 development.
Symfony
Symfony is a full-stack framework, a library of cohesive classes written in PHP.
Ubuntu
Super-fast and great-looking, Ubuntu is a secure, intuitive operating system that powers desktops, servers, netbooks and laptops. Ubuntu is, and always will be, absolutely free.
openSUSE
openSUSEopenSUSE 是一个自由的、基于Linux的操作系统，适用于您的个人电脑、笔记本电脑或服务器。您可以畅游网络、管理您的电子邮件与照片、办公、欣赏视频与音乐。
Debian
Debian GNU/Linux is a free distribution of the GNU/Linux operating system. It is maintained and updated through the work of many userswho volunteer their time and effort.
Cute Editor
Cute Editor for ASP.NET is the most powerful WYSIWYG browser-based Online HTML Editor for ASP.NET. It enables ASP.NET Web developers to replace any textbox with an intuitive Word-like WYSIWYG html editor.
Codecademy
Codecademy is the easiest way to learn how to code. It\'s interactive, fun, and you can do it with your friends.