With this AutoCAD add-on you can create terrain sectionsfrom geodetic points(heights) in the drawing. You can alsospecify position of pipe(cable, road, …) or set auxiliarymarks in the section.
With this AutoCAD add-on you can create mathematical curves.Curves can be defined as explicit, parametric or polar functions.
8TextTools is a package of 8 productivity text tools and commandsfor AutoCAD.
INTERNAL CADVIEWER is FREE DWG viewer for AutoCAD. With this AutoCAD add-on you can browse,view or open drawings stored on your computer or CD-ROM(e.g. DWG catalouges).
NewCADtools2 is a package of 51 productivity tools and commands forAutoCAD and derived platforms. It contains 5 toolbars(MODIFY,MODIFYII,TEXT TOOLS,MISCELLANEOUS,SHAPES).There is also menu that can be added to the main AutoCAD menu.