Question
How far off are you from having a version of the components to work with Delphi 2005?
Answer
Its already working; take a look at this ECOII sample https://plexityhide.com/pub/SamplesECO.zip
This is made with the newer GTP.NET
To Get the phGantTimePackage compiled for Delphi2005 ; download this: https://plexityhide.com/pub/d2005dcu.zip