ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Redmine - Flexible project management web application
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Basecamp - A simple and elegant project management system.