Remodium is an app which allows you to control the Adium instant messenger running on your Mac from your iPhone, iPod Touch, or iPad. With it, you can view existing chats, resume existing chats, or start new ones.
Using Adium, you only need to sign into your chat services once. All of your groups, contact aliases and meta-contacts will appear normally
TalkRoom for GTalk - TalkRoom for GTalk is a user-friendly instant messenger for iPhone and iPod touch. It allows you to keep in touch with all your friends on Google Talk while on the go
BeMe for iPhone - BeMe is a free cross-platform messenger that replaces SMS and works through the existing internet data plan of your mobile device. BeMe contacts are based on the contacts in your phone, so that the app can automatically find people that are also using the application
TalkRoom for Yahoo! - TalkRoom for Yahoo! is a user-friendly instant messenger for iPhone, iPod touch, and iPad. It allows you to keep in touch with all your friends on Yahoo! while on the go
TalkRoom for MSN - TalkRoom for MSN is a user-friendly instant messenger for iPhone, iPod touch, and iPad. It allows you to keep in touch with all your friends on MSN (Windows Live) while on the go
fone pro is the best way to stay in touch with all your Facebook friends and the ultimate Voice Chat app that allows you to call your friends for free. Built specifically to improve your Facebook chat experience, fone connects millions of Facebook friends through VoIP so they can talk to one another
Let's TALK for iPhone - Let's TALK is a private messaging app used to keep up with your friends, family and coworkers in a one-on-one or group setting. Choose any combination of voice, photo, video and text to get your message across to everyone in the conversation
Agile Messenger (iPhone/iPad) - Agile Messenger is a feature-rich and user-friendly instant messaging client for iOS devices. It allows you to send instant text, photo, voice and video messages to your Facebook IM, Yahoo, MSN/Live Messenger, GoogleTalk, ICQ, Jabber, AIM and Skype IM contacts
Random Chat Pro - This app lets you chat with random people from all over the world. Share photos, videos, your social-networks, and even your stories.
· 1000's of users to talk to. You will literally always have someone to talk with.
· Share photos and videos. Receive them too. You can send any photo you would like and ask for them back
Buzzooka is a Google Buzz client for the iPhone. It provides many features that you can't find on the official web interface of Google Buzz along with a slicker and faster interface taking advantage of the native iOS components