Camunda - The Universal Process Orchestrator
DocGen - Static website generator
Bizagi - Bizagi is a Business Process Management (BPMS) solution for faster and flexible process automation. It's powerful yet intuitive BPM Suite is designed to make your business more agile.
LogicalDOC - A document management system such as LogicalDOC can help your organization better manage business processes and put order in the chaos of documents every day run your business.
Celonis - Celonis offers process mining tool for analyzing & visualizing business processes.
openSourceCM - Web-based legal document processing and contract management