Distributed WebSocket Application Server ISO 20922
N2O is an embeddable message protocol loop library for WebSocket, HTTP, MQTT and TCP servers. It provides basic features, such as process management, virtual nodes ring for request processing, sessions, frame encoding, and unified API for external mq and caching services.
Imixs Workflow - the open source business process management
Manage Complexity of Your Business Process...
Imixs-Workflow is the open source solution for human-centric business process management. This means supporting human skills, activities and collaboration in a model driven architecture. The Imixs-Workflow engine protects and securely distributes your business data based on the BPMN 2.0 standard.
http://www.imixs.org