TCalcEdit: Source - Readme
This component is an enhanced editbox able to dropdown a basic calculator that also acts like a currency converter. Simply select the small button on the rigth edge and a Calculator form will show, helping you to do some basic operations.

THintListBox: Source - Readme
This component is an enhanced ListBox able to display "long items", i.e. items that do not fit into list width, as floating hints.

More content and updates to come soon...