Instant messaging program which lets you log in to accounts on multiple chat networks simultaneously.
Twitter client with a drawer for user info.
Search and manage your Skype chat history and Skype accounts.
Log in to your MSN account.
Chat with your Facebook friends on your Mac.
Access Snapchat features easily and comfortably.
Add a live chat room to your Joomla CMS.
Download Messages Beta and get a taste of what's coming in OS X Mountain Lion. When you install Messages, it replaces iChat. But iChat services will continue to work.