Apache Aurora vs Elastic Apache Mesos: What are the differences?
Apache Aurora: An Apcahe Mesos framework for scheduling jobs, originally developed by Twitter. Apache Aurora is a service scheduler that runs on top of Mesos, enabling you to run long-running services that take advantage of Mesos' scalability, fault-tolerance, and resource isolation; Elastic Apache Mesos: Automated creation of Apache Mesos clusters on Amazon EC2. Elastic Apache Mesos is a web service that automates the creation of Apache Mesos clusters on Amazon Elastic Compute Cloud (EC2). It provisions EC2 instances, installs dependencies including Apache ZooKeeper and HDFS, and delivers you a cluster with all the services running.
Apache Aurora and Elastic Apache Mesos can be categorized as "Cluster Management" tools.
Apache Aurora is an open source tool with 615 GitHub stars and 231 GitHub forks. Here's a link to Apache Aurora's open source repository on GitHub.