This document lists the engineering applications that Marcelo Sanhueza Herrera has developed over 25 years for use with AutoCAD. Some of the applications mentioned include ATower for designing transmission line towers and foundations, INFOCELL for planning cellular site locations within AutoCAD, and RebarTools for generating rebar drawings, schedules, and 3D modeling inside AutoCAD. All of the intellectual property described is owned by Marcelo Sanhueza Herrera.