About

Technosoftware GmbH was founded in 2011 and is specialized in software consulting and development services for technical and industrial applications based on OPC and offers also products in this area. The founder of Technosoftware GmbH was involved in the design and development of many software products with OPC connectivity and has over 23 years extensive knowledge about OPC. Based on this expertise, the OPC UA .NET product line was released in 2012, which focuses on the pioneering OPC UA technology.

Dual Licene

The original products for OPC DA, OPC AE and OPC HDA are now getting moved to a dual license. Technosoftware GmbH provides different licenses depending on the component and on the ownership of a purchased license 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.

1. OPC DA/AE/HDA core components follow a dual-license model:

   • Owner of a purchased license or sponsor: SCLA 1.0
     enables licensee to deploy their applications using the core component sources without being required to disclose the application code. All versions, current and future, are licensed under SCLA 1.0
   • Users that are not Owner of a purchased license: GPL 3.0
     Based on the GPL 3.0 license terms these users must disclose their application code when using the core component sources.

2. Samples and Utilities:

   • All samples and most of the utilities are provided under the MIT license for everyone.