If you’re leery of trusting your data to a third-party cloud-storage service, and have a web server of your own that you’d rather use, ownCloud may be the answer. It’s free software that installs on most web servers and transforms it into your own private Dropbox clone.

More speed with Go instead of PHP: ownCloud Infinite Scale is ready for use
Infinite Scale is a complete modernization of ownCloud 10, which has replaced PHP with Go for greater speed and efficiency.