process-engine topic

SpiffWorkflow is a software development platform for building, running, and monitoring executable diagrams

sartography

工作流（golang版本的流程引擎、规则引擎、表单引擎）、表单编辑器、流程编辑器

wegoteam

PHP framework for workflow and process automation

bingo-soft

Beautiful implementation-agnostic process engine API.

bpm-crafters