Ho trovato in giro per la rete diversi progetti OpenSource sviluppati in .NET sia in VB che in C#. L'elenco è interessante e quindi ve lo pubblico.

1. Dash Commerce - dashcommerce
2. Dot Shopping Cart - dotshoppingcart
3. VevoCart - vevocart
4. e-Shop ASP.NET - e-shop
5. PressTopia Shop - Presstopia

1. Umbraco - Umbraco
2. Rainbow Portal - Rainbow Portal
3. DotNetNuke - Dotnetnuke
4. The Beer House - TheBeerHouse
5. My Web Pages Starter Kit - MyWebPagesStarterKit 
6. Basic CMS - basic-cms
7. JMD CMS - JMDCMS
8. Nickel & Dime CMS - ndcms
9. Nolior EZNews - nolioreznews

1. Blog Engine .NET - dotnetblogengine.net
2. DasBlog - dasblog
3. Sub Text - subtextproject
4. PressTopia - presstopia 

1. (ASPLD) ASP.NET 3.5 Link Directory - n3o
2. XD Link Directory - ex-designz
3. ASP.NET 2.0 Link Directory - davemackey

1. Splendid CRM - splendidcrm

1. FlexWiki - flexwiki
2. ScrewTurn Wiki - screwturn 

1. Kigg (Digg like application) - Kigg
2. Club Starter Kit - ClubStarterKit
3. Mojoportal for Windows and Mono - Mojoportal
4. Drop Things (Web 2.0 Portal) - Dropthings
5. Yet Another Forum - Yetanotherforum
6. DMG Forum - Dmgforums

1. Job Site Starter Kit - binaryintellect
2. Stock / Inventory Tracker - itracker

1. DotNet Open Mail - dotnetopenmail
2. qqMail - umailcampaign
3. Sharp Web Mail - sharpwebmail

1. Media Library Starter Kit - media-library
2. ASP.NET Foto Gallery - pentabyte
3. gPhotoNet - PhotoNet

1. Classifieds Starter Kit - msdn
2. Dating .NET - joemay

1. ASP.NET Small Business Web Site Starter Kit - Starter kit
2. ASP.NET Personal Site
3. Time Tracking Website - Time tracking
4. DinnerNow (Food Ordering System) - Dinner now
5. Bug Tracker .NET - Bug tracker