Built with the popular and mature graphical (GUI) class library. It lets .NET developers add rich, interactive maps to their Windows desktop applications in a minute. Compare to WPF, WinForms supports developing with Mono.
Downloads: 35810 - Shareware - Download Now

Ultimate FTP is a 100%-managed .NET class library that adds powerful and comprehensive Secure File Transfer capabilities to your .NET applications. In addition it allow you to download, upload by file name, URL, and wild card masks, etc.
Downloads: 21493 - Shareware - Download Now

Aspose.Spell is a multilingual spell checking .NET component which supports over 20 languages including Danish, Dutch, English, Germany, French, Italian, Polish, Portuguese, Russian, Spanish, Swedish. Afrikaans, Greek, Irish, Latin and Norwegian etc.
Downloads: 45218 - Shareware - Download Now

Read and write XLS, XLSX from ASP.NET, .NET, VB, C#, PHP and other programming languages without Excel installed! Supports formula calculations, text formatting, rows, columns, sheets management and much more!
Downloads: 31946 - Shareware - Download Now

VBConversions VB.Net to C# Converter is a state of the art conversion program which rewrites your VB.Net project in C#. Variable names, comments, and inline comments are preserved. Converts the 101 Microsoft VB.Net Samples successfully.
Downloads: 52908 - Shareware - Download Now