MindTouch Dream is a .NET REST framework

"MindTouch Dream is a .NET REST framework for developing lightweight, highly decoupled web-services.  It runs on Microsoft .NET 2.0 and Novell Mono 1.2.2."
http://wiki.opengarden.org/Dream

Spring.NET

"Spring.NET is an open source application framework that makes building enterprise .NET applications easier. Providing components based on proven design patterns that can be integrated into all tiers of your application architecture,Spring helps increase development productivity and improve application quality and performance..."
http://www.springframework.net

Serialize and deserialize objects as Xml using generic types in C# 2.0

http://geekswithblogs.net/paulwhitblog/archive/2007/07/20/114076.aspx

String to Byte Array Conversion in C# and VB.NET (and back)

http://www.chilkatsoft.com/faq/DotNetStrToBytes.html

Creating a web service for an InfoPath

Creating a web service for an InfoPath form in 25 easy steps
http://blogs.msdn.com/philoj/archive/2005/11/08/490200.aspx

Developing InfoPath Forms for Anonymous Access
http://www.paylasimnoktasi.com/en/anonymousinfopathforms.aspx

All About SharePoint - S.S. Ahmed - MVP Microsoft SharePoint
http://www.sharepointblogs.com/ssa/default.aspx

Programmatically create an InfoPath form from scratch using a Console application and C# code
http://enterprise-solutions.swits.net/infopath2007/programmatically-create-infopath-form-console-app.htm