Adium is a free and open source instant messaging client for macOS that supports multiple IM networks, including Windows Live Messenger, Yahoo! Messenger, Google Talk, AIM, ICQ and XMPP.
- Open Source, so everyone can see how Adium works and help improve it.
- Support for a wide range of different Instant Messaging services (see the full list)
- 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 support for visual notifications via Growl and OS X’s Notification Center
- OTR Encryption
- Xtras and many, many other customization options
- A beautiful icon, the “Adiumy” duck