AppExpert5.5: AddOn for Borland C++ 5.0x. It allows to create apps/libraries based on parametrized templates:
OWLNext, wxWidgets, Control Panel Applets, addOn's for Borland C++, and others. Freeware. Current version: 0.82 (27-Marzo-2005, next version in April).

ae55src.zip: source code (updated! 27-Marzo)

Sample screenshots:

Feedback to: Sebastian_Ledesma@NOSPAM_yahoo.com .