The
abfMenus
product is a commercial part of the ABF VCL. Contains a set of menu oriented components:

TabfSystemMenuItem - Adds a menu item into the system menu of any window, form or application.
TabfSystemMenuInserter - Adds all items of some TPopupMenu component into the system menu of any window, form or application.
Shell menu extension DLL template - A template for creating any custom shell menu extensions..

Also it contains all parts of the
abfComponents
freeware product.