ASP.NET Open Source Projects

Links to ASP.NET Open Source Projects

Blogs

• Blogsa.net - A blog engine in Asp.net.
• dasBlog
• BlogEngine.NET - Very functional, simple and clean Blog engine in ASP .Net 3.5.
• SubText - A blogging engine in ASP.NET.
• Owlpal - Web Content System.
• AtomSite (formerly BlogSvc) - Built using ASP.NET MVC.
• Oxite - Built using ASP.NET MVC.

Content Management Systems

• DotNetNuke
• Kooboo CMS
• N2CMS
• Umbraco
• sharpcms
• Mojoportal
• Orchard CMS
• DotNetAge CMS for MVC

e-Commerce

• nopCommerce - eCommerce platform similar to Magento
• dashComemrce - Open Source E-Commerce

Controls/Toolkits/Frameworks 

• AJAX Control Toolkit - A control library for ASP.NET built over the MS AJAX Extensions for ASP.NET.
• ASP.NET MVC Project Awesome - A helper (controls) library for ASP.NET MVC built using jQuery.
• ASP.NET 3.5 MVC
• PokeIn - Comet Ajax Library.
• Gaia Ajax - An Ajax Framework for ASP.NET. Write C# or VB.NET; no JavaScript skills necessary.
• Evolutility - metadata-driven CRUD Framework.
• CSS Friendly Control Adapters
• RIAnimation - jQuery Animation library in ASP.NET.
• ASP.NET Ribbon - Open Source ASP.NET Ribbon that looks like Office Web Apps, SharePoint 2010 and Office 2010.
• Enterprise Library - Application blocks from the patterns and practices team.
• Rich Text Editor
• CSLA.net - Rocky Lhotka on CSLA.NET and ASP.NET
• Castle Project 
  
• Email Reporter: VSTS 2008 Load Test Plug-in
• Typps - A complete Rich Text Html Editor, Image Picker, Color Picker & Image Viewer for ASP.NET.
• NPOI - Components which can help you read/write xls, doc, ppt files.
• Web Forms MVP - Testable Web Forms development
• Navigation for ASP.NET Web Forms - Manages movement and data passing between aspx Pages in a unit testable manner.
• asp.net Ajax File Manager Free open source file manager for asp.net full ajax support available for tinymce, Ajax control toolkit editor and stand alone.
• DJME2 - The jQuery extensions for ASP.NET MVC is a lightweight framework which helps you build rich user interfaces for ASP.NET MVC while enjoying great developer productivity.

Forums

• YetAnotherForum
• PunBB.NET - Open source forum engine. Created using ASP.NET 2.0. Feel free to join!

Galleries

• Gallery Server Pro - Share photos, video, audio, and documents.

Starter Kits

• ASP.NET Design Patterns - ASP.NET MVC 2 Case Study Starter Kit
  Case study to show the use of GoF Design Patterns, SOLID Design Principles and Fowlers Enterprise Patterns in the context of an ASP.NET E-commerce application.
• BeerHouse: CMS and E-commerce Starter Kit
• Classifieds
• Club Site Starter Kit
•     Extended Club Site Starter Kit
•     Codeplex Club Site Starter Kit
• DotShoppingCart
• Employee Info Starter Kit
• Job Site
• My Web Pages Starter Kit
• Personal Site Starter Kit
• Small Business Starter Kit
• StockTrader Sample Application
• Time Tracker Starter Kit
• Navigation NerdDinner
  Conversion of the ASP.NET MVC NerdDinner application to ASP.NET Web Forms.

Wikis 

• FlexWiki
• ScrewTurn Wiki 

Miscellaneous

• ASP.NET 3.5 GeoTwitter Alpha Released
• BugTracker.NET - An ASP.NET based bug tracking application.
• BugNET - Another ASP.NET based bug tracking application.
• ADefHelpDesk - Help Desk / Ticket Tracker Module (DotNetNuke and Standard ASP.NET Application versions)
• DinnerNow
• DropThings
• Live Chat Support Open Source
• SplendidCRM - Full-featured CRM written in C#
• LINQ to Twitter -  LINQ to Twitter is an open source LINQ Provider for the Twitter micro-blogging service.
• ASProxy - An ASP.NET based web proxy.
• 
  

Additional Projects

• http://asp.net/community/projects/
• http://www.codeplex.com/
• http://csharp-source.net/
• http://www.codeplex.com/nexus - Open source igoogle/pageflakes like application

refer from wiki article