Camunda - The Universal Process Orchestrator
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.
jBPM - jBPM is a flexible Business Process Management (BPM) Suite.
ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
Activiti - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at...
Nintex - Cloud-based digital workflow management automation platform