Photo Browser for Facebook - Photo Browser for Facebook lets you quickly browse your photos and your friends' photos from Facebook. In addition, its offline capabilities will allow you to view any picture without requiring an active Internet connection
Video Messenger for MSN PRO - allows you to make free video calls & voice calls, and chat with your MSN buddies. The app requires that you have an internet connection and your friends have this app installed
Facebook Camera - allows you to quickly upload photos and videos to Facebook. The app will upload everything you capture with the camera to Facebook automatically, without pressing any button.
Facebook Camera is similar to the iPhone's camera application, but instead of saving the photos or videos to the Photos Library, it will upload them to Facebook
CheckIn+ HD - Brought to you by the developer of IM+, the very first all-in-one check-in app and deal locator with augmented reality for iPad! Supports Foursquare and Facebook Places.
EXPLORE THE WORLD
CheckIn+ is your ultimate social travel guide. Discover the world around you and share your highlights at local bars, parks, venues, and more
Mobile BetterThanPin (BTP) - Protect your Facebook account with Mobile BetterThanPin.
Mobile BetterThanPin (BTP) is a two-factor authentication that is based on something you have (a BetterThanPin passcode) and something you know (your Facebook password)
Talk.to for iPhone/iPad 2.7. - Talk.to is a free instant messenger which lets you chat with Facebook and Google Talk friends, and with co-workers using Pingpong.
Talk.to is cross-platform and is also available for Windows, Mac, Linux and Android
Circle for iPhone - Circle provides a convenient way to find friends near you. The app will notify you when your social connections are in your vicinity, allowing you to easily get in touch with them.
Circle takes care of your privacy, allowing you to choose what you want to share and with whom.
In order to use the app, you will need a Facebook account
Twitterrific 5 for Twitter - Twitterrific is the friendly, award-winning Twitter client that is beautiful to look at, easy to use and full of elegant features. Effortlessly read and compose tweets, search Twitter
Echofon for Twitter (iPhone/iPad) - Echofon is a clean Twitter app with push notifications and unread tweet syncing with your computer. It lets you easily view your timeline, messages, replies and favorites. Echofon has a powerful Tweet-authoring screen that lets you write Tweets, upload photos and videos, and even update your current location
Followers+ for Twitter - TwitTrack is a useful app for Twitter users. It allows you to track new followers, see who unfollowed you and who is not following you back, and more.
Please note that you need to have a Twitter account in order to use this application. Also, the number of followers should not exceed 5,000. You can only follow or unfollow up to 200 users per hour