Custom development and integration
Elegant, scalable OPC UA solutions with the ability to extend the core library when a use case demands it.
Learn moreNext-LevelOPC UA
Since 2013Continuous open62541 development
Core maintainersDirect access to project expertise
320+Open-source contributors
CRA-readySecurity and lifecycle stewardship
Who we are
o6 Automation was started by the founders and maintainers of the open62541 library; a widely used open-source implementation of the OPC UA industrial communication standard (IEC 62541). We love OPC UA and are passionate about promoting the standard as the foundation for reliable, interoperable and secure automation solutions.
What we do
Support and training
Commercial support, developer education, CRA processes, vulnerability management, and certification-ready documentation.
Learn moreIndustrial communication products
Software tools and libraries built on open62541 for developers of future-ready automation systems.
Learn moreCustomer-specific expertise
Deep domain knowledge for automation vendors, machine builders, integrators, and plant operators.
Learn moreNews and Articles
Technical features, security updates, releases, and company news.
Jun 29, 2026
ECC Crypto Support for open62541
Security Changes from the OPC UA 1.05.07 Specification Update
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May 27, 2026
o6 Joins CERT@VDE
Professional Management of Security Vulnerabilities in open62541
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Apr 8, 2026
Improved Event API in open62541 v1.5
Better ergonomics for the powerful OPC UA event mechanism
Read articleTraining Events
German Edition
November 10 – 12, 2026
On-site in Karlsruhe, Germany
OPC UA / open62541 Developer Training
Three days of practical OPC UA and open62541 training led by the core maintainers, from fundamentals through secure communication and PubSub.
€1,900 netTraining participation, lunch, and beverages
View training and registerQuestions & Answers
Will the open62541 SDK remain open source?
Yes. The copyright remains with its many individual contributors, and open62541 will remain available under the MPLv2 license.
Is o6 Automation only focused on open62541?
open62541 is our foundation. Our work also covers industrial communication and control, system architecture, information modeling, embedded targets, and Python-based applications.
What changes for existing open62541 users?
Community development continues publicly on GitHub. Professional users can additionally receive commercial support, training, vulnerability management, certification guidance, and product extensions.