Camunda - The Universal Process Orchestrator
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
jBPM - jBPM is a flexible Business Process Management (BPM) Suite.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Activiti - Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at...
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.