Recently I've discovered this project that has great ambitions: arkOS is an open-source platform for securely self-hosting your online life. Everything started from the founder Jacob Cook and the CitizenWeb Project he founded. It's designed to run on a Raspberry Pi - a super-low-cost single board computer - and
Wary of trusting everything to Google? With the open-source arkOS server, you'll be able to host your own cloud files - and your own website, your own email server, and your own chat server - in the privacy of your own home.