N2 Core Engine 

• Easy to develop: define content using .NET classes and attributes (no boring point and click web interface)
• Very intuitive editor interface
• Leverages on ASP.NET 2.0 (use sitemap, membership, ASPX templates, authorization, etc.)
• Database agnostic (MS SQL, MySQL and more thanks to NHibernate)
• Supports hierarchically organized content items with unlimited depth
• AJAXy drag'n'drop content into regions
• Completly free - 0$
• Extendable editor UI
• Sites are developed in Visual Studio (no UI for modifyng styles and templates, nice!)
• Support multiple types of content, everything from articles to blog comments
• The model is stored as source code in your source control, not in a database
• Map parts of the tree structure to alternative domains
• Caching, ASP.NET output caching or database object caching
• Supports authorization using standard .NET providers
• Upgradable
• Allows access control over individual content items using roles
• Search engine friendly urls
• Multiple sites with one installation
• ASP.NET data binding utilities
• Lightweight library, can be plugged into an existing ASP.NET application
• Link helper
• Tree helper
• Permission model
• Content regions
• Online installation wizard
• Open Source (LGPL license)
• User friendly user interface
• WYSIWYG content editor
• Files and link picker
• File manager
• Extendable object model
• Extendable service model
• Built on a solid stack: .NET, NHibernate, Castle's Windsor Container, jQuery, TinyMCE
• Edit with Internet Explorer and Firefox (and probably others) for Windows, Mac and Linux
• Not tied to the page templates: freely design templates/functions
• Supports scripting including jQuery, prototype and MS AJAX
• Documented API
• Easy to get started with
• Full source code freely available
• Promotes separation of business logic and presentation
• Integrate using .NET user and custom controls, subscribe and react to events, extend the object model, replace core services, implement custom attributes and more
• Supports .NET languages including C# and VB.NET
• Built with a unit test suite and resonable code coverage
• Includes some useful custom server controls
• Supports interlinking items making the tree hierarchy into a graph

N2 Editor Interface

• Versioning with unlimited rollback
• Content localization support
• Authorization editing
• Content localization
• Create page wizard
• User manager
• Export and import content data and files
• Track relations (links in html text)
• Installation wizard
• Trashcan
• Globalization and page translations support

N2 Functional Templates

• Web standards aware, XHTML, accessible, search engine friendly markup
• Scheduled publishing
• Start page
• Text
• Redirect
• News
• Custom data entry form
• Events calendar
• FAQ
• Photo gallery
• Polls
• RSS subscription
• Search engine
• Teaser part
• News listin part
• Two column layout part
• Text part
• Random image part
• Social bookmarking
• Google urching tracking
• Calendar item
• Horizontal menu
• Vertical Menu
• Several available themes
• Change layouts
• Web site statistics
• Membership and user provider
• User registration & Login parts