Downloading iQQ 1.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free software for Mac OS X is a product of kantsky.tsinghua. The program relates to Communication Tools.
From the developer:
iQQ is a QQ client Mac users. He developed it since I have to communicate with my friends who are mostly using a windows and using QQ as their default IM software.
Though iQQ can only support basic chatting features, it is now used by most chinese mac users to communicate with their QQ buddies in windows
You may want to check out more Mac applications, such as X-Lite 3, Skype2Prowl 2 or iChatMonitor 3, which might be related to iQQ.