Mondridisk 1.1 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software is included in System Tools. This free Mac app was originally created by NES Software. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Mondridisk is a system optimization tool that helps you identify the files and folders eating up most disk space. In addition, it detects the files that waste your computer space with one or more duplicates. In addition, it offers to link all duplicates within a specific folder.
You may want to check out more Mac applications, such as Dock Delight, which might be similar to Mondridisk.