Drools - Drools introduces the Business Logic integration Platform which provides a unified and integrated platform for Rules, Workflow and Event Processing.
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.
BonitaSoft - Bonita BPM is a BPM-based application platform that is designed to help users build highly...
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Imixs-Workflow - Imixs Workflow is a BPM Framework with the goal to reduce the complexity of business applications.
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.