Mesosphere DCOS - Mesosphere DCOS organizes your entire infrastructure as if it was a single computer.
RunDeck - RunDeck is an open source automation service with a web console, command line tools and a WebAPI.
Metaflow - Framework for real-life data science; build, improve, and operate end-to-end workflows.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Luigi - Luigi is a Python module that helps you build complex pipelines of batch jobs.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.