o6\open62541
open62541 is an open source implementation of OPC UA (OPC Unified Architecture / IEC 62541) written in the C language. o6 Automation was started by the maintainers of open62541 to support the increased adoption of the library in industry. o6 Automation oversees the development and release process, provides official support and training, and employs many of the contributors to the library.
Why open62541 is the right choice
Widely Used in Industry
Many vendors of industrial automation equipment rely on open62541 for OPC UA connectivity of their products.
Standard Server Profile Certification
An example server using open62541 was certified by the OPC Foundation according to the Standard Server 2017 profile.
Automated Quality Assurance
Many hundred test cases are run automatically in our continuous integration environment. Manual testing is part of the release process.
Large Developer Community
More than 200 individual developers from many organizations have contributed code and documentation to open62541.
Commercial-Friendly License
open62541 can be integrated with commercial code into an overall product. Only changes to the core library itself fall under the MPLv2.
Professional Support
open62541 is an open source project with community support. On top, o6 Automation was created to meet the needs of professional users.
One command to begin your journey
The open62541 library is included in many package managers and Linux distributions.
On Debian/Ubuntu, the following command is all you need to use OPC UA as a dependency for your software.
apt install libopen62541-1.4
This greatly simplifies the development and maintenance of your solutions.
You can rely on existing and battle-hardened distribution mechanisms to always get the latest bugfixes and security improvements.
Professional Support for open62541
open62541 combines the best of both worlds. The code is available as open source - yet you can get professional support for commercial users.
o6 Automation was founded by the maintainers of open62541. So we are the natural partner for all users who need training and support outside of the public forum.