ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Integromat - Tool for workflow automation
Microsoft Flow - Similar to IFTTT and Zapier you can create automated tasks based on APIs from various services.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.