What are some alternatives?
When comparing ProActive Workflows & Scheduling and Shipyard App, you can also consider the following products
Metaflow - Framework for real-life data science; build, improve, and operate end-to-end workflows.
Zenaton - Powerful & Easy Automation for Developers
Luigi - Luigi is a Python module that helps you build complex pipelines of batch jobs.
StackStorm - StackStorm is a powerful open-source automation platform that wires together all of your apps...
Pipedream - Integration platform for developers
Azkaban - Azkaban is a batch workflow job scheduler created at LinkedIn to run Hadoop jobs.