Rainbow CMS available today in 29 languages, allows content authoring to be safely delegated to role-based team members who need little or no knowledge of HTML. Rainbow optionally supports a two-step approval-publish process. 75 plug-in modules are now included in the standard release, including support for an e-store, XML news feeds, Flash, Maps, Newsletter, Surveys, Forums, Document Management, Custom Lists, and more. It's also fairly easy to build your own custom modules. 

 Rainbow CMS could host multiple sites and could use single database. The sites are made from pages, Pages are arranged hierarchical to unlimited depth. Menus are used to navigate across pages. Each page is made from modules. Any content whether it is text, images, news item will be generated out of modules. Developer could easily extend and achieve their needs. 
 
 Its feature set includes flexible Users and Roles management, Full text Search, WYSIWYG editor, RSS and lot more. It has in built modules like breadcrumb support, Blog, Event log, Discussion forum, FAQ, Newsletter, Gallery, Survey etc. 
 
 It is a full fledged CMS with lot of features in-built. Source code location: <A HREF="http://code.google.com/p/rainbow/" target="_blank">http://code.google.com/p/rainbow/</A>

Rainbow CMS available today in 29 languages, allows content authoring to be safely delegated to role-based team members who need little or no knowledge of HTML. Rainbow optionally supports a two-step approval-publish process. 75 plug-in modules are now included in the standard release. It is also fairly easy to build your own custom modules.

Rainbow - portal development made easy

DotNetNuke is available in Professional and Community Editions, DotNetNuke is a powerful web site CMS that provides simple, browser-based management tools. The tools make it easy for administrators, editors, developers, and designers to build, deploy, and manage all aspects of an interactive web site or web application, including content, layout, membership, features, functionality, site hosting, and security using the advanced content management system (CMS) tools. Creating new pages using pre-built content types (modules) like announcements, discussions, events, FAQs, feedback forms, and images, Defining membership roles, sending bulk emails, and establishing secure sections of the site for registered users only, Setting up banner advertising, customizing the site’s appearance, and submitting the site to search engines. The DotNetNuke web content management system and application development platform includes over 25 free modules such as Announcements, Banners, Forums, Documents, Events List/Calendar, FAQs, Feedback, IFrame, Image, Links, News Feed (RSS), Search Input, Search Results, Service Directory, Survey, Text/HTML, User Accounts, User Defined Table, Users Online, Blogs and XML/XSL. Professional Edition and Support services are also available.

DotNetNuke is the most widely adopted web content management system (WCM or CMS) and application development platform for building web sites and web applications on Microsoft .NET.

DotNetNuke

BlogEngine.NET was designed using the current .NET framework and focused on simplicity, ease of extendibility, and innovative features which includes Plug n play, AJAX comments, screenshot trackbacks, Web 2.0, Referrer stats, Cool widgets, Advanced comment system, Full syndication suite, Trackbacks and pingbacks, Search, Standalone pages, Multi-author support, Cool themes, XHTML compliance, Extendable, Tag cloud.

BlogEngine.NET is an open source .NET blogging project that was born out of desire for a better blog platform. A blog platform with less complexity, easy customization, and one that takes advantage of the latest .NET features.

BlogEngine

NSwag is a Swagger/OpenAPI 2.0 and 3.0 toolchain for .NET, .NET Core, Web API, ASP.NET Core, TypeScript (jQuery, AngularJS, Angular 2+, Aurelia, KnockoutJS and more) and other platforms, written in C#. The OpenAPI/Swagger specification uses JSON and JSON Schema to describe a RESTful web API. The NSwag project provides tools to generate OpenAPI specifications from existing ASP.NET Web API controllers and client code from these OpenAPI specifications.
 
The project combines the functionality of Swashbuckle (OpenAPI/Swagger generation) and AutoRest (client generation) in one toolchain (these two libs are not needed). This way a lot of incompatibilites can be avoided and features which are not well described by the OpenAPI specification or JSON Schema are better supported.

NSwag is a Swagger/OpenAPI 2.0 and 3.0 toolchain for .NET, .NET Core, Web API, ASP.NET Core, TypeScript (jQuery, AngularJS, Angular 2+, Aurelia, KnockoutJS and more) and other platforms, written in C#. The OpenAPI/Swagger specification uses JSON and JSON Schema to describe a RESTful web API. The NSwag project provides tools to generate OpenAPI specifications from existing ASP.NET Web API controllers and client code from these OpenAPI specifications.

NSwag - The Swagger/OpenAPI toolchain for .NET, ASP.NET Core and TypeScript

Umbraco provides a full-featured web content management system that is easy to use, simple to customize, and robust enough to run the largest sites such as <A HREF="http://wired.co.uk" target="_blank">wired.co.uk</A> and <A HREF="http://asp.net" target="_blank">asp.net</A>. It is most popular and widely used CMS. It has more than 85000 active installations. 

 It has loads of features required for a CMS. It does provides support for Polls, Forum, Podcast blog, Event management, Access control and permissions for pages, WYSIWYG editor, Displays twitter feed and post, Searchengine friendly, Gallery, Paypal support, Personalization of content for logged-in User and lot more. 
 
 This open source product can be bundled with guaranteed and professional support, bug fixing warranty and productivity enhancing add-ons. 

 Source code location: <A HREF="http://umbraco.codeplex.com/" target="_blank">http://umbraco.codeplex.com/</A>

Umbraco provides a full-featured web content management system that is easy to use, simple to customize, and robust enough to run the largest sites. It is most popular and widely used CMS. It has more than 85000 active installations.

Umbraco - simple and friendly ASP.NET CMS

KiGG is a Web 2.0 style social news web application developed in Microsoft supported technologies. It allows multiple users to store, share and tag their favorite links online. The links could be tagged and Users will allowed to vote up or down the links. It rates the User based on their links posted and votes received. SQL Server or MySQL could be used as database back end. It powers websites <A HREF="http://www.DotNetShoutout.com" target="_blank">DotNetShoutout.com</A> - A site where you find links for .NET stories.

KiGG is a Web 2.0 style social news web application developed in Microsoft supported technologies. It allows multiple users to store, share and tag their favorite links online. The links could be tagged and Users will allowed to vote up or down the links. It rates the User based on their links posted and votes received. SQL Server or MySQL could be used as database back end. It powers websites DotNetShoutout.com - A site where you find links for .NET stories.

kigg - Social bookmarking engine in ASP.NET

A simple but effective mini-profiler for .NET and Ruby. MiniProfiler does not attach itself to every single method call; Instead, it provides An ADO.NET profiler, capable of profiling calls on raw ADO.NET, LINQ-to-SQL, EF / "Code First", Lightspeed and a range of other data access scenarios. A pragmatic Step instrumentation that you can add to code you want to explicitly profile. The profiler is also able to do database profiling and also it can log all ajax calls. 

Mvc-mini-profiler - A simple but effective Mini-Profiler for ASP.NET, WCF

N2 CMS provides support for Content management, Multi site management, Users and Role management, File manager, WYSIWYG content editor, Versioning with unlimited rollback, Localization, Globalization and page translations support. N2 CMS contains a package of functional templates with News, Wiki, Photo Galleries, FAQs, RSS, Data Entry, Polls and more. Functional Templates and Edit Interface alike relies on a CMS Library with powerful data definition, wide database support, data binding and templating on ASP.NET and very much more.

N2 is a lightweight CMS framework that helps you build great web sites that anyone can update. Web content editors can enjoy a simple and enpowering web interface. Developers will benefit from a programmer friendly API that makes building web sites quick and fun. N2 is focused on removing redundant steps when working with content types and ASPX templates. All of development is done within visual studio.

N2 CMS

A trouble-ticket/help desk solution written by those who are tired of the bloated 'Industry Standard' systems. Designed by along-side many unsatisfied users of available ticketing systems; this is the most user-friendly, advanced ticketing system available. Its feature includes:
 <UL>
	<LI>Integrated with Active Directory</LI>
	<LI>Intuitive Interface</LI>
	<LI>Fully Customizable</LI>
	<LI>No Client installation</LI>
	<LI>Integrated FAQ/Help Section</LI>
	<LI>Light Weight - Entire program is under 13mb - including images.</LI>
	<LI>Email integration</LI>
 </UL>

A trouble-ticket/help desk solution written by those who are tired of the bloated 'Industry Standard' systems. Designed by along-side many unsatisfied users of available ticketing systems; this is the most user-friendly, advanced ticketing system available.

SlickTicket

ScrewTurn Wiki allows you to create, manage and share wikis. A wiki is a collaboratively-edited, information-centered website: the most famous is Wikipedia. ScrewTurn Wiki can be extended and customized with plugins and themes. It can store data using a simple, built-in file-system provider or, if you need performance and scalability, it can use SQL Server. If you use Active Directory, you can integrate with that too.

ScrewTurn Wiki allows you to create, manage and share wikis. A wiki is a collaboratively-edited, information-centered website: the most famous is Wikipedia.

ScrewTurn Wiki - ASP.NET Wiki Software

C1 is aimed at communicators who need to easily manage content on corporate websites while maintaining a consistent visual identity. C1 comes fully featured, it's straightforward to use, easy to extend, and integrates with other systems beautifully. It has ability to store the content in SQL database and XML flat file. It uses XSLT to transform XML to content and XSLT developers could provide a great look and feel to the site without doing much programming. It supports all features of CMS like content reuse, Page preview, SEO friendly, WYSIWYG editor, Image editor, Media archive etc. It is a web based CMS. It supports wizards to create and configure the sites. User doesn't require any other console to manage their sites. It supports structured content and provides page based view. The most important feature is to Edit a page instantly while browsing your website. It has complete localization support. Users could easily localize websites to different audicense. Functions: C1 function is another important feature. It helps to encapsulate the behaviour and provides support to reuse the content, Dyanamic content rendering and Integration. 4 types of functions could be created. Visual function, XSLT function, C# function and SQL function. Dual License: It supports opensource and commerical license. Both are functionally same. Source code location: <A HREF="http://compositec1.codeplex.com/" target="_blank">http://compositec1.codeplex.com/</A>

C1 is aimed at communicators who need to easily manage content on corporate websites while maintaining a consistent visual identity. C1 comes fully featured, it's straightforward to use, easy to extend, and integrates with other systems beautifully.

Composite C1 - CMS on .NET 4 platform

mojoPortal is a powerful content management, easy to learn, easy to use. It creates standards compliant web pages and content right in the browser. It has cross platform support as it runs on Mono. It works with multiple database. It has support for multiple sites with single installation. 
 
 It has support for blogs, Forums, Event Calendar, Google Maps, Photo Galleries, Chat, ecommerce, Secure File Sharing, Newsletter, Surveys, Polls, Breadcrumb, Flexible menu, Full text search support using dotLucene. Content could be personalized. Authenticate user against LDAP, Active Directory, Database or using OpenID. It has support for Content Workflow, Content Versioning and lot more. 

 It has inbuilt integration for Twitter and Google Analytics.

mojoPortal is a powerful content management, easy to learn, easy to use. It creates standards compliant web pages and content right in the browser. It has support for blogs, Forums, Event Calendar, Google Maps, Photo Galleries, Chat, ecommerce, Secure File Sharing, Newsletter, Surveys, Polls, and much more.

mojoPortal - CMS made easy

Orchard is a Web CMS, which essentially aims at helping you build web sites from existing pieces. It could manage multiple web sites. Each site could have multiple pages and each page could have multiple custom zones. Blogs could be created and managed and archived. Comments could be added for contents and it is spam protected. Tags could be associated to the content to get locate and categorize the content. It does better page creation using WYSIWYG editor. It has support for file management, Users and their roles and access management, Reporting, Multi lingual support, UI theme support, Email notification and lot more. The content could be indexed and available for search. 
 It provides a set of re-usable components that makes it easy to build such CMS kind of applications. 
 Source code location: <A HREF="http://orchard.codeplex.com/" target="_blank">http://orchard.codeplex.com/</A>
 <img src="/AppImages/Article/orchard-img1.jpg" alt="" class="float-center">

Orchard is a Web CMS, which essentially aims at helping you build web sites from existing pieces. It could manage multiple web sites. Each site could have multiple pages and each page could have multiple custom zones. Blogs could be created and managed and archived. Comments could be added for contents and it is spam protected. Tags could be associated to the content to get locate and categorize the content.

Orchard - Re-usable components in ASP.NET helps to build CMS

Cuyahoga is .NET web site framework. It provides content management capabilities with modular approach. It works with .NET 2.0 - 3.5 with SQL Server, PostgreSQL or MySQL as database backend. 

 It has all features that a Content Management System should have. It helps to easily manage multiple templates, users, groups and roles management. Support for WYSIWYG editor, RSS, Search engine friendly url, Content localization are provided. 
 
 The best part with this CMS is, its modular based design. All features are modules and each module could communicate with each other. This design helps developers add their own modules and extend the functionality. This CMS has support for multiple site with one installation. Each site could be accessed by separate URL. 

 Cuyahoga is not meant to be a complete portal solution like DotNetNuke or Rainbow Portal it ships with a limited amount of modules. 

 Sourceforge location: <A HREF="http://sourceforge.net/projects/cuyahoga/" target ="_blank">http://sourceforge.net/projects/cuyahoga/</A> 
 GitHub: <A HREF="https://github.com/cuyahogaproject/cuyahoga" target="_blank">https://github.com/cuyahogaproject/cuyahoga</A>

Cuyahoga is .NET web site framework. It provides content management capabilities with modular approach. It works with .NET 2.0 - 3.5 with SQL Server, PostgreSQL or MySQL as database backend.

Cuyahoga - .NET web site framework

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