Adium : An Instant Messaging Apps for Mac OS X

Adium is a free and open source instant messaging client for Mac OS X that supports multiple IM networks, including Windows Live Messenger, Yahoo! Messenger, Google Talk, AIM, ICQ, XMPP and OTR.

It supports many protocols through the libraries libezv (for Bonjour), MGTwitterEngine (for Twitter), and libpurple (for all other protocols). It is written using Mac OS X’s Cocoa API, and it is released under the GNU General Public License and many other licenses for components that are distributed with Adium.

Apple Inc. used Adium X 0.89.1′s build time in Xcode 2.3 as a benchmark for comparing the performance of the Mac Pro and Power Mac G5 Quad, and Adium 1.2′s build time in Xcode 3.0 as a benchmark for comparing the performance of the eight-core Mac Pro and Power Mac G5 Quad.

Adium supports the following protocols:

  1. OSCAR (including AIM, ICQ, and MobileMe services)
  2. XMPP (including Google Talk, Facebook Chat, and LiveJournal services)
  3. OTR
  4. MSNP (to the .NET Messenger Service as Windows Live Messenger AKA MSN and Windows Messanger)
  5. YMSG (Yahoo! Messenger, USA & Japan)
  6. Bonjour
  7. MySpaceIM
  8. Gadu-Gadu
  9. Novell GroupWise
  10. Lotus Sametime
  11. QQ with a plugin
  12. MeBeam with a plugin
  13. Tlen with a plugin
  14. Xfire with the XBlaze plugin
  15. Skype with a plugin
  16. IRC
  17. Twitter
  18. NateOn with a plugin

Adium makes use of a plugin architecture. Many of the program’s essential features are actually provided by plugins bundled inside the application package.

These plugins include functionality such as file transfer, support for the Growl notifications system, Sparkle for program updates, and support for encrypted messaging with the Off-the-Record Messaging library.


Adium is also highly customizable through the use of resources called “Xtras”. The program can be customized by the use of hundreds of third-party Xtras that alter the appearance of emoticons, dock icons, contact list styles, and messages styles.

Adium can also be enhanced through the use of different sound sets. AppleScripts can also be utilized to automatically alter behavior in responses to certain triggers.

Download: Adium

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