.Net Runtime Library for Delphi comes in three editions: Standard, Enterprise and Professional.
Standard Edition is a cost-effective solution for developers to access .net assemblies from Delphi.
Enterprise Edition extends Standard Edition with full access to the .Net Framework Class Library.
Professional Edition extends Enterprise Edition and includes .Net DLL/WSDL Import Utility for Delphi.
All the editions contains the source codes for the library classes and interfaces.
For more information about getting the Runtime Library edition you want, visit the How to Order section.
The matrix below compares features of Runtime Library editions.