TotalPurge is a powerful compact tool which allows you to quickly clear drawings of redundant graphic constructions, as well as to convert various types of objects to polylines.

This app allows you to create plumbing fittings in 2D view.

Plugin for calculating total lengths and total areas of polylines

The Sokoban plugin allows you to play the classic Sokoban game inside AutoCAD®!

Building Services Blocks & Details for Electrical,Mechanical,HVAC & ELV

The POLYLINES add-in is used with AutoCAD® to modify closed polylines. You can unite, intersect, subtract, divide and trim closed polylines similarly to Boolean commands.