Acad Officer - collection of 14 add-ons for AutoCAD, by NYacad
With Alabpresenter you can share your screen remotely.
The ACAD Exporter exports all entities visible in the window to AutoCAD.
CAD DWG/DXF comparison software.
Deliver your desktop screen to your audience.
PxCad ToolBox - Productivity Enhancement Tools for AutoCAD
Convert DWG to DXF files, and convert DXF to DWG files with AutoCAD not required
SolidStructural - 3D Steel AuDetailing System running inside AutoCAD
G-Code Editor with tons of options that draws out the tool path.
ACADSee lets you view and print various AutoCAD drawings on your PC easily.
SmartLister retrieves cut lists from their 3D solid model assemblies.