ProxMenux is hands-down the best companion for my Proxmox workstation

If you're looking to de-Google your life, these self-hosted calendar servers are great options that give you full control of your data.

Android without Google

/e/OS is at the core of our privacy by design ecosystem. We have removed many pieces of code that send your personal data to remote servers without your consent. We don’t scan your data in your phone or in your cloud space, and we don’t track your location hundred times a day or collect what you’re doing with your apps.