| Subject | English | Finnish |
| IT | open software | avoimen lähdekoodin ohjelmisto |
| comp., MS | Open Software Descriptor file | OSD-tiedosto (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) |
| econ. | open source software | avoimen lähdekoodin ohjelmisto |
| IT | Software environment for the design of open distributed systems | ohjelmistoympäristö avointen hajautettujen järjestelmien suunnitteluun |