Is it possible to develop an application for peer to peer communication through wifi with out internet
this extension might be interesting for you
WiFi Direct P2P Extension (Preview) by Shivendra Kr Sahu (35 EUR)
btw. the extensions directory is here https://puravidaapps.com/extensions.php
Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.