What are some alternatives?
When comparing Tallyfy and GoodFlow, 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.
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.