SceneDraw 

SceneDraw is an investigative tool, for police and private investigators that need to survey and diagram scenes for criminal and civil litigation. Scene Draw is not a CAD program nor is it a drawing program, it is a Data Driven Diagram software.
autocad cad dxf gps xyz nxyz points import survey coordinates gis

RapidDXF 

RapidDXF reads ASCII (text) files of coordinates and creates DXF (version 12) files of points and thier attributes. The DXF files so created are usable in many CAD software. RapidDXF can process several files at a time.
autocad cad dxf gps xyz nxyz points import survey coordinates gis