Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.

Papermerge DMS - Open source document management system designed for archiving and retrieving your digital documents. Instead of having piles of paper documents all over your desk, office or drawers - you can quickly scan and upload them to Papermerge DMS.

Cloudpipes - Cloudpipes is a workflow automation service connecting hundreds of cloud applications.

Paperless-NG - A supercharged version of paperless: scan, index and archive all your physical documents - jonaswinkler/paperless-ng

Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.

Paperless - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless, MacJournal and many more. Based in MN.