| Subject | English | German |
| law, IT, patents. | free and open-source software | freie und quelloffene Software |
| law, IT, patents. | free/libre and open-source software | freie und quelloffene Software |
| IT | open software | quelloffene Software |
| comp., MS | Open Software Descriptor file | Open Software Descriptor-Datei (An XML-based file that instructs the client on how to retrieve the sequenced application from the Application Virtualization Management/Streaming Server and how to run the sequenced application in its virtual environment) |
| gen. | open source software OSS | freie Software |
| IT, comp. | open source software | quelloffene Software |
| econ. | open source software | Freie Software |
| gen. | open source software OSS | Open Source Software |
| gen. | open source software OSS | Open Source Software, freie Software |
| gen. | open-source code software | quelltextoffene Software |
| gen. | open-source-code software | quelltextoffene Software |
| IT | Software environment for the design of open distributed systems | Softwareumgebung für den Entwurf offener verteilter Systeme |