Trillian for iPhone helps you organize and stay in touch with your IM and social friends while on-the-go. Receive instant push notifications, send pictures and messages, and optionally synchronize with Trillian for Mac, Windows, and Web
Pinch iMessenger HD Pro is the 1st iMessenger with leaderboard contests, cool map views with friends, locations, directions, journeys and miles traveled. Pinch makes conversations with friends more fun with sporty animations, picture messaging, emoticons available across all major smartphones
AIM for iPhone - Chat with your Facebook friends on AIM for iPhone, even if they are not AIM users. To get started, just click Facebook Connect button at the top of the AIM Buddy List. Your Facebook friends and groups will be added to your Buddy List (with the Facebook icon next to their name). Now chatting with your Facebook friends is as easy as using AIM
Piip Messenger for iPhone - Piip is a free cross-platform mobile and web messenger. It allows you to send and receive messages for free using your phone's internet service or a WiFi connection. You can switch seamlessly between the mobile and web messenger and continue your conversations from where you left them off
Hello! Messenger Free for iPhone - Hello! is a free cross-platform instant messenger. It lets you chat with all your friends anytime, anywhere, reducing expensive SMS fees. Besides messaging, Hello! includes many other useful features, such as group chat, message delivery confirmation, landscape chat, photo exchange, Facebook status updates, push notifications, and many more
ChatNow Pro for Facebook - This app is a fast messenger which allows you to chat with your Facebook friends while on the go. The user interface is specially designed to let you easily communicate with buddies from your iPhone, iPod touch, or iPad.
The application uses Facebook OAuth authentication with official Facebook SDK
Versagram - Versagram lets you create beautiful graphical text messages and share them via Instagram and iMessage.
The app is constantly updated with new text themes
Textie Messaging for iPhone/iPad - Textie Messaging lets you message free between iOS and Android devices. You can send messages to any other Textie user, any email address, and even to most U.S. mobile phones. Replies come straight back to the app, so you can use Textie with anyone, whether they have the application installed or not
Colloquy is a full featured IRC client for iPhone, iPod touch, and iPad. It is built built atop the powerful Chat Core framework, same as its popular Mac OS counterpart. Colloquy for iOS is optimized for mobile use and supports multitasking, push notifications, and more.
· Convenient nickname, emoticon, IRC commands completion popups