The OPC Foundation no longer manages the ANSI C Stack Source Code.
Commercial and Open Source ANSI C SDKs can be found here.
OPC Source Deliverables Agreement of Use
License information for OPC Source Deliverables
The OPC Foundation provides source code as sample code/reference implementation. The source code is provided as-is, with no warranty, support, or misrepresentation of the quality of code.
The OPC Foundation provides communication stacks, sample libraries, sample applications and utilities. All sources are available either as a downloadable ZIP file or in a repository on GitHub (https://github.com/OPCFoundation/).
B. License models
The OPC Foundation provides different licenses depending on the component and on the membership status of the user of the sources. A single ZIP file or a single repository can contain multiple components where the sources have different license models. The valid license is in the header of each source file.
Following are basic rules on how the OPC Foundation licenses the different components:
OPC UA core components (OPC UA Stacks, OPC UA Local Discovery Server – LDS)
OPC UA core components follow a dual-license model:
OPC Foundation Corporate Members: RCL
Enables OPC Foundation corporate members to deploy their applications using the core component sources without being required to disclose the application code
Users that are not OPC Foundation corporate members: GPL 2.0
Based on the GPL 2.0 license terms these users must disclose their application code when using the core component sources.
Samples and Utilities
All samples and most of the utilities are provided under the MIT license for OPC Foundation Members and Non-Members.
You do not have permissions to download this file.