| Subject | English | Finnish |
| comp. | open platform | avoin järjestelmäalusta |
| comp. | open platform | avoin alusta |
| comp., MS | Web app Open Platform Interface | verkkosovelluksen avoimen alustan liittymä (An interface that enables a web application server (for example, Office Web Apps Server) to access and change files that are stored by a host server (such as SharePoint Server)) |