https://en.wikipedia.org/wiki/Comparison_of_file_synchronization_software#Commercial https://en.wikipedia.org/wiki/Comparison_of_file_synchroniza... You can fi

https://en.wikipedia.org/wiki/Comparison_of_file_synchronization_software#Commercial https://en.wikipedia.org/wiki/Comparison_of_file_synchroniza... You can find when each of these companies were founded by following the links... Don't remember the name, but I remember similar service even in late 90s, when dial-up was popular. You'd pay for some amount of storage hosted on their servers (no "cloud" term back then) and they had Windows client integrated as a drive. Not sure if they had "freemium", maybe dropbox differentiated with this business model.