you may use Ek Rtf in commercial projects;
you stimulate the author to make the next versions of components;
you will receive updates and bug fixes for your version for free.

These above forms will give you options to purchase via Credit card or Bank transfer. In addition RegSoft service provides Voice, Fax or Postal Mail registration.

Ek Rtf for Delphi Win32 sources - 29$

Ek Rtf for Delphi 2006.Net binaries only - 26$

Ek Rtf for Delphi 2006.Net sources - 39$

Ek Rtf for Visual Studio 2005 binaries only - 26$

You will receive link and registration info where you can download binaries or source code (full version).