Adium is a free and open source instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Notable Features:
- Open Source, so everyone can see how Adium works and help improve it
- Support for a wide range of different Instant Messaging services
- A delightful UI
- Tabbed chat windows
- Mac OS X integration
- Address Book integration
- WebKit Message View: Theme your chat windows
- Combined Contacts: Merge your contacts so that each one represents a person, not an account
- A sophisticated events system (including Growl notifications)
- OTR Encryption
- File Transfer
- Xtras and many, many other customization options
- A beautiful icon, the "Adiumy" duck
- Translations: Adium speaks 27 different languages
Download: Adium 1.5 | 22.5 MB (Open Source)
Screenshots: >>Click Here
Read: Release notes
View: Adium Website