Self-hosted apps that integrate with OPC-UA

5 open-source, self-hostable projects list OPC-UA as an integration.

• ThingsboardSelf-hosted source-available IoT platform for device management, data processing, and visualization with rule engine and multi-protocol support.
• FlowFuseSelf-hosted platform for building industrial applications at scale using Node-RED with AI-assisted development, team collaboration, and DevOps pipelines.
• flow-likeFlow-Like is a self-hosted, source-available workflow automation platform with visual workflows, frontend builder, AI agents, and data studio.
• OpenMESOpenMES is a self-hosted MES for small manufacturers. Tracks production, manages work orders, connects machines via MQTT/Modbus/OPC UA — deployable via Docker.
• openbeamOpenBeam is a self-hosted, open-source enterprise search platform unifying SaaS tools and IoT systems into one searchable layer with hybrid search and AI agents.