RAD in Excel? Excel Framework, Parent Class Builder

Following the examples below one can develop a tool in Excel that generates the templates of classes with implemented encapsulation and collections for the specified data fields

 - Interesting article and tool that generates templates with parent-child relationship between classes in VBA, ie. single item class and its collection class. http://www.experts-exchange.com/articles/3802/Parent-Class-Builder-Add-In-for-Microsoft-Excel.html

- Another interesting example: Excel VBA Framework - an Excel tool that generates the classes for the fields entered in an Excel table.https://code.google.com/p/excel-vba-framework/downloads/list