You could have downloaded iRepair 1.0.6 for Mac from our software library for free. The program is included in System Tools. The bundle id for iRepair for Mac is com.stereo2software.iRepair. The most popular version of the tool is 1.0. The actual developer of this free software for Mac is stereo2software.
From the developer:
iRepair 1.0.6 can help you change permission of your files and folders. Just select a file or an entire folder, eventually with all its content, choose your settings and apply. Repair broken permission, share data between users, perform administration tasks. Easy. Secure. Freeware.
You may want to check out more software for Mac, such as MassReplaceIt, iDupe or ACTPrinter Mac, which might be related to iRepair.