[ndsipa_pomu]

> Forgotten are Windows, XBox, DirectX, VC++, C#, F#, TypeScript, Github, VSCode, Azure, Teams, SQL Server, SharePoint, Dynamics,.... Ah but some of those are FOSS

Which of those are FOSS?

[pjmlp]

C#, F#, TypeScript, VSCode, under the business friendly OSI approved licenses, MIT and Apache.