I am the owner of Kellerman Software. I have several open source and commercial products. Visit http://www.kellermansoftware.com

• Free Quick Reference Pack for Developers
• Free Sharp Zip Wrapper
• NUnit Test Generator (also generates xUnit and MS Test stubs)
• .NET Caching Library
• .NET Email Validation Library
• .NET FTP Library
• .NET Encryption Library
• .NET Logging Library
• Themed Winform Wizard
• Unused Stored Procedures
• AccessDiff (Compare Access object and data differences)
• .NET SFTP Library
• Ninja Database Pro (Object database for .NET, Silverlight, Windows Phone 7)
• Ninja WinRT Database (Object database for Windows Runtime)
• Knight Data Access Layer (ORM, LINQ Provider, Generator for SQL Server, Oracle, MySQL, Firebird, MS Access, VistaDB)

Here are my open source projects:

• http://slserializelzo.codeplex.com/
• http://comparenetobjects.codeplex.com/
• http://nunitwindowsphone7.codeplex.com/