PSN Friends - PSN Friends allows you to view your PlayStation Network friends list on your iPhone, iPod touch, or iPad.
Note: PlayStation.com is slow so it can take a while to load your friends, even on WiFi
Osfoora - Osfoora is a fast and fully featured Twitter client for iPhone. The app has a clean home screen that lets you access most Twitter functionality in a single touch. Osfoora features an elegant user interface, multiple account support, full landscape mode, and more
Twitterrific Premium - Twitterrific is the award-winning mobile Twitter client that is beautiful to look at, easy to use and chock full of elegant features. Manage multiple accounts, search Twitter quickly, filter tweets and much more.
This premium version does not show advertisements
TalkRoom for Facebook Chat - TalkRoom for Facebook Chat is a user-friendly instant messenger for iPhone and iPod touch. It allows you to keep in touch with all your friends on Facebook while on the go
Meteoric is a client for identi.ca and other StatusNet based micro-blogging platforms. With it, you can follow your friends, share photos & videos, view conversations and more
Hudld Pro - Hudld Pro lets you access all your favorite social networking services from a single app. Twitter, LinkedIn, Facebook and Foursquare updates are conveniently displayed on a unified timeline, allowing you to stay up to date with what's happening from one screen
tweetTV - watch Twitter like TV - tweetTV is a Twitter tweet reader that looks like TV. Quickly set up channels (searches, lists, or standard twitter streams) and enjoy the world of Twitter through the lens you design
Just Sayin' for iPhone - Just Sayin' is an app that celebrities and public figures use to share their voices on Twitter and Facebook. It is as simple as talking - but easy to add a picture, some video and text