I have a DS918+ Synology NAS (Network Attached Storage), Synology are focusing on small and medium size businesses and are trying to emulate google services. While the office side is not as advanced yet, they keep updating it and then you have other kinds of services as well, like, chat, video, Email etc. and this is all included with the NAS.
I figured the only way to truly stay private, is to have something at home. Of course I have encrypted online backups as well just in case.
Here is a link if you are interested: https://www.synology.com/
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