Download of SynKit 2.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. 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 Mac application was originally developed by Ihor Shcherbyna.
From the developer:
SynKit is an application for Mac OS X that allows keeping your folders and files in sync. It is developed to be easy, flexible and takes the less interaction with the user as possible. Synchronize your files and folders on the same computer, between the different computers on the network or between the computer and external storages.
You may want to check out more Mac applications, such as SynKitPro, which might be similar to SynKit.