Instagram is a free, fun, and simple way to make and share gorgeous photos on your iPhone.
Pick from one of several gorgeous filtered effects or tilt-shift blur to breathe a new life into your mobile photos. Transform everyday moments into works of art you'll want to share with friends and family
Box (iPhone/iPad) - Box provides simple, secure sharing from anywhere - letting you easily store files online, send big files fast, access content from your iPhone or iPad and collaborate with others
WeChat for iPhone is a cross-platform voice and text chatting app, with friend-discovery social features and shared streaming photo feeds from friends' personal photo albums
QIP Mobile Messenger (iPhone/iPad) is a mobile version of the popular messenger QIP, which is used by more than 20 million people in Russia and abroad.
Users can send each other messages via protocols: QIP, ICQ, Mail.ru, Google Talk, Yandex Online, LiveJournal and Jabber
Line2iPhone, iPad, iPod Touch, Apple iPhone OSVersion: 5.0 updated Upload date: 30 Jan 12 Tags: Internet & Communications
Freeware
Line2 is the only App that lets you call over WiFi, 3G, or cellular using the same number. Now with unlimited SMS texting too. Try it free for 30 days, then just $9.95/month.
iPhone users can finally make and receive calls no matter where they are - using VoIP when they can, and cellular when necessary - all from the same number
Viber - Free Phone Calls is an iPhone application that lets you make free phone calls to other iPhone users that have Viber installed. When you use Viber, your phone calls to any other Viber user are free, and the sound quality is much better than a regular call. You can call any Viber user, anywhere in the world, for free
QIP Mobile is a mobile version of the popular messenger QIP, which is used by more than 20 million people in Russia and abroad.
Users can send each other messages via protocols: QIP, ICQ, Mail.ru, Google Talk, Yandex Online, LiveJournal and Jabber
Skype gives you free calls and instant messages to anyone else on Skype. You can also call landlines and mobiles and send SMS anywhere in the world, at great rates. Skype is free to download and easy to use.
Free Skype-to-Skype calls
With Skype on your iPhone or iPod touch, simply sign into Skype from any WiFi zone, and call friends and family on Skype totally free
IMPlus Pro All in One Messenger Chat with award-winning IM+ Pro® within AIM®/iChat, MSN®/Windows Live™ Messenger, Yahoo!®, ICQ®, Jabber®, Google Talk™, MySpaceIM, Facebook® and even Skype™* regardless of location and mobile operator