For providing SaaS we are using libre.sh, for providing PaaS we are using http://dokku.viewdocs.io/dokku/, for IaaS we are using Hetzner bare metal contracts, managed partly by Ansible, and also virtualise with KVM, LXC/-D.
For providing SaaS we are using libre.sh, for providing PaaS we are using http://dokku.viewdocs.io/dokku/, for IaaS we are using Hetzner bare metal contracts, managed partly by Ansible, and also virtualise with KVM, LXC/-D.