What are some alternatives?
When comparing Tallyfy and Process Street, you can also consider the following products
Pipefy - The new development platform built for agile teams.
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.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.