这个就是著名DNN，使用VB.NET进行开发。通过其基本架构可进行堆积木式快速建站。而且支持子网站系统。其由asp.net Portal start kit进化而来。
Welcome to the official community and development site for the DotNetNuke Open Source Web Application Framework. From downloads to documentation, DotNetNuke.com offers a comprehensive base of information, resources, and support to the DotNetNuke community.
Versatile – DotNetNuke is an open source web application framework ideal for creating, deploying and managing interactive web, intranet and extranet sites.
User-Friendly – DotNetNuke is designed to make it easy for administrators, content editors, developers, and designers to manage all aspects of their web assets. Wizards, content-sensitive help, and a well-researched user interface provide a superior user experience.
Powerful – DotNetNuke can support multiple websites from a single application installation. In dividing administrative options between host level and individual site level, DotNetNuke allows administrators to manage am unlimited number of websites – each with its own unique appearance and content.
Feature-Rich – DotNetNuke comes loaded with a set of built-in features that provide exceptional functionality. Site hosting, web design, content management, security, and membership options are all easily managed and customized through simple, browser-based tools.
Supported - DotNetNuke is managed and supported by DotNetNuke Corporation, a legal entity which provides production Service Level Agreements as well as other professional services for the platform. DotNetNuke is also supported by its Core Team of volunteer developers and a dedicated international community. Through user groups, online forums, resource portals and a network of companies who specialize in DNN®, help is always close at hand.
Easily Installed – DotNetNuke can be up-and-running within minutes. Developers can simply download the software, and follow the simple installation instructions. In addition, many web hosting companies offer integrated installation of the DotNetNuke application with their hosting plans, providing a simple mechanism for end users to experience the power of the platform.
Localized – DotNetNuke includes a multi-language localization feature which allows administrators to easily translate their projects and portals into any language. And with an international group of host and developers working with DotNetNuke, native support is always close at hand.
Open Source – DotNetNuke is provided for free, with full source code, licensed under a standard BSD open source license agreement. It allows individuals to do whatever they wish with the application framework, both commercially and non-commercially, with the simple requirement of giving credit back to the DotNetNuke community.
Cutting-Edge - DotNetNuke provides developers with an opportunity to leverage best-practice software development concepts by utilizing cutting-edge technologies like ASP.NET 2.0, Visual Studio, SQL Server, Windows Server, and IIS.
Extensible – DotNetNuke has a pluggable architecture which allows additional functionality and presentation elements to be dynamically added to the application at run-time. By leveraging the base funtionality exposed through the built-in content management system, developers and site administrators can be immediately productive and more focussed on delivering optimal solutions to their own unique business requirements.
Recognized – DotNetNuke is a trademarked name, and a brand widely recognized and respected in the open source community. With over 500,000 registered users and a talented team of developers, DotNetNuke continues to evolve its software through participation, real world trial, and end-user feedback.
DotNetNuke is designed for use on the Microsoft ASP.NET 2.0 platform. The most recently released version is 4.8.
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