1)   CZ-Doc2Txt COM 1.0
batch text converter that convert doc to text, html to text and rtf to text, it can be called from VB, VC, DELPHI.

 2)   .NET Document 2 Text Converter DLL 1.2
.NET Document 2 Text Converter DLL is a .NET class library that provides you an efficient way of converting your document files from various types to plain text. The supported conversion types are : MS Word (.doc), MS Excel (.xls), HTML and RTF.