Open Source OPC UA licensed under the MPL v2.0
Open Source
Open62541 is licensed under the Mozilla Public License v2.0 (MPLv2). So the open62541 OPC UA stack is free of charge – even for commercial use.
- Royalty free on GitHub
- Open source MPL v2.0 license
- Based on IEC 62541 standard
- Active community development
Portable
Written in C99 with minimal dependencies. Runs everywhere from embedded systems to cloud servers.
- Written in C99
- Architecture-specific plugins
- Runs on Windows Linux RTOS and Android
- Small memory footprint
Certified
Certified example implementation compliant with the OPC UA Standard UA Server Profile 2017.
- Standard UA Server Profile 2017
- Ensured compliance with OPC UA specifications
- Lightweight follow-up certification
- Future-proof architecture and design
Professional Support
Get expert assistance with implementation, consulting, and custom development from the official maintainers.
- Direct support from maintainers
- Custom feature development
- Training and consulting
- SLA-backed service options
open62541 Maintainer
Professional maintenance and commercial support for open62541
o6 Automation GmbH
o6 Automation GmbH is the official maintainer of open62541. They provide professional support, consulting, and custom development services for OPC UA implementations.
With deep expertise in industrial automation and real-time systems, o6 Automation ensures the continued development and stability of the open62541 project.
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Partners
open62541 is supported by leading research institutions and industry organizations
Fraunhofer IOSB
The Fraunhofer Institute for Optronics, System Technologies and Image Exploitation IOSB was a core maintainer of open62541 for many years until the spin-off to o6 Automation. They continue to maintain a close connection to the project and provide research expertise and industrial application experience in automation and communication technologies.
Visit Website →OSADL
The Open Source Automation Development Lab (OSADL) is a network organization dedicated to promoting open source software in industrial automation and real-time applications. In the past, OSADL served as an organizer for funding of development activities for open62541, facilitating collaboration between industry partners, research institutions, and developers to advance the adoption of open source technologies in mission-critical automation systems.
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