Chax for Mac

From Kent Sutherland:

Chax is a collection of minor modifications and additions that make using Apple's iChat more enjoyable.

Features include:
User list:

• Toggle text status visibility of users in the user list
• Set font of names and status messasges in the user list
• Ability to hide iTunes music store links in text statuses
• Idle time included in tooltips in the user list
• Display Address Book nicknames instead of full names in the user list
• Option to auto-accept file transfers
• Option to show a warning before messaging mobile users
• Hide the audio/video status icon at the top of the user list
• Message a specific screen name for people with multiple screen names

• Option to auto-accept text chats, skipping new message notification window
• Show status changes directly in the message window
• Disable the smiley button in text input lines

• Unread message notification in the dock
• Always on top option for user lists, text chats, and audio or video chats
• Set a differet custom away message
• Change the delay of or disable auto-away
• New message windows cascade properly instead of always appearing in the same place
• A (very) basic built-in log viewer
• Many other minor enhancements