Kubernetes - Kubernetes is an open source orchestration system for Docker containers
Google Site Reliability Engineering - How Google runs production systems
xCAT - xCAT is an open-source distributed computing management software used for the deployment and administration of Linux or AIX based clusters.
oneSIS - oneSIS is an open-source software package aimed at simplifying diskless cluster management.
Ganeti - Ganeti is a cluster management tool built on top of existing virtualization technologies.
Apache Ambari - Ambari is aimed at making Hadoop management simpler by developing software for provisioning, managing, and monitoring Hadoop clusters.