Nextcould
Para tener una nube personal
We help you achieve that: a safe home for all your data. Secure, under your control and developed in an open, transparent and trustworthy way. We are Nextcloud.
https://nextcloud.com/about/
Manual muy completo en castellano de GENBETA
Nextcloud, la plataforma ‘open source’ que te permite instalar y configurar tu propia nube personal en un servidor web
https://www.genbeta.com/herramientas/nextcloud-plataforma-open-source-que-te-permite-instalar-configurar-tu-propia-nube-personal-servidor-web