By Ahmad 'Adil

From here

Diwani

from https://asubja.wordpress.com/2009/04/03/388/diwani/

By Nazif Al-Khattat

By Turkey's Calligrafer (Nazif) in http://acalligraphy.deviantart.com/

Kufi Stile

I found this calligraphy at http://www.islamicblog.co.in

By Nader Bellal

Visit his page in DeviantArt