Camunda - The Universal Process Orchestrator
ProcessMaker - ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.
jBPM - jBPM is a flexible Business Process Management (BPM) Suite.
Imixs-Workflow - Imixs Workflow is a BPM Framework with the goal to reduce the complexity of business applications.
Appian - See how Appian, leading provider of modern low-code and BPM software solutions, has helped transform the businesses of over 3.5 million users worldwide.
Pega - Pega provides business process and customer relationship management solutions for organizations.