use imixs-workflow for my own projects
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...
Ninox - Ninox is a human-friendly database. Create your own Business Application with Ninox that matches your workflow. Ninox lets you integrate CRM, ERP, HR and many more...
Activiti - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at...
QuickBase - Quickbase provides a no-code operational agility platform that enables organizations to improve operations through real time insights and automation across complex processes and disparate systems. โโ
Camunda - The Universal Process Orchestrator