Apache Oozie!

ProActive Workflows & Scheduling allows you to easily execute all your company jobs and business applications, monitor activity and quickly access job results. Allowing your IT to scale up and down according to your actual workload, it will ensure the optimal match between disponibilty and cost. It ensures more work done with fewer resources, managing heterogeneous platforms and multiple sites with advanced usage policies. Thanks to its flexibility, ProActive Workflows & Scheduling will help you for any expansion, federation and integration project. »

Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.

Azkaban is a batch workflow job scheduler created at LinkedIn to run Hadoop jobs. Azkaban resolves the ordering through job dependencies and provides an easy to use web user interface to maintain and track your workflows.

The purpose of Luigi is to address all the plumbing typically associated with long-running batch processes. You want to chain many tasks, automate them, and failures will happen. These tasks can be anything, but are typically long running things like Hadoop jobs, dumping data to/from databases, running machine learning algorithms, or anything else.