Vonage introduces an internet Phone App for all the iPhone and iPod Touch. Now iPhone and iPod users can extends their hands for international calling. It is free downloadable app which can be used on both WiFi as well as cellular networks from anywhere. [...]

Google Latitude has come up for iPhone and iPod Touch. This application let the Mobile phone users to share their whereabouts to their family and friends. It is a Web App rather than a downloadable one. [...]

Nimbuzz comes up in completely new desktop client for Apple Mac computers and an upgrade for iPhone and iPod Touch. Nimbuzz let you call, chat and interact from one place with all your friends on popular social networks and instant messaging services like Windows Live (MSN), Yahoo, Skype, Face book, MySpace. [...]