Latest vrangesync is available for download & review.
We could get some real world testing.

-Free unlimited usage 'commercial' license given to regular testers who can do professional-level software review & testing. Personal & enterprise endusers are welcome to participate.

-Follow the installation instructions found on our site and download vrangesync use it for your day-to-day filecopy operation & backup routine. You can submit any questions on vrangesync's forum found at https://www.1range1.com/forum/ or critical security question to our developer using the 'contact' forum found on our site.