DraftSight

A User Reviews DraftSight, the Free and Pro Versions

free version is awesome, but pro version is not quite ready for prime time, requires to buy minimum 5 seats

Creating an Isometric Drawing with DraftSight

Low-Cost CAD has Innovative In-Drawing UI Elements, Too, Just Like the Big Boys

3D direct modeling component, quad cursor, added to Bricscad V12; mouse gestures added to DraftSight