This is a free tool that synchronizes multiple copies of your data under different folders on the same or different computers. Saving your data under different folders on different computers is a common way of data backup. However, multiple copies of your data can easily go out of sync. This tool helps solve this problem.
As it stands today, this tool is fully functional according to its design goal. Since this is a free tool, there has not been much effort to make it polished. There are known bugs which primarily affect the presentation of data under certain conditions. Also as a free tool, please understand there is ABSOLUTELY NO WARRANTY on any thing.