Freeware - Autocad and DWG viewers

Here they are some free autocad viewers:

1. On line viewer:
   https://viewer.autodesk.com/
2. DrawSighth 2018
   https://www.3ds.com/it/prodotti-e-servizi/draftsight-cad-software/free-download/
   
   
3. Autodesk DWG TrueView 2018
   https://www.autodesk.it/products/dwg/viewers
   
   

[Update 2019.10.23]

This is new Drawsight version link, be aware that old free software is no longer working on 31/12/2019. New versions are no longer for free.

https://www.3ds.com/it/prodotti-e-servizi/draftsight-cad-software/scarica-draftsightr/


[update 2020.04.29]

I am adding another free autocad viewer.

It is not user frienly but, in some cases, it could be useful:

https://librecad.org/