iPhone is yet to be officially released for India. However, it looks like some pretty good companies are making iPhones apps already and are being widely used.
Geodesic Information Systems, a Mumbai-based Indian company has developed an instant messenger - Mundu - which help iPhone users to chat.
Coming from the world of Windows, I found Trillian to be one of the best Collective Instant Messenger which can connect to Yahoo! Pager, MSN Messenger, AIM, ICQ, IRC. The pro version (Pro is the paid version) sport the Rendezvous option where you can have server less messenger within a close intranet. When I shifted [...]