mGuard 2.1.8 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. MGuard for Mac lies within System Tools, more precisely Remote Computing. 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. This free Mac app was originally developed by Idis.
From the developer:
mGuard allows you to access remote sites and monitor live video via network connection anytime, anywhere.
You may want to check out more software for Mac, such as ScreenSharingMenulet, iDemo or FullControlHelper, which might be related to mGuard.