[itscrush]

It was released as freeware back when by EA originally, which is what openRA relies on. Later the source was released under GPL[1] during the CNC remastered collection from EA.

[1]https://github.com/electronicarts/CnC_Remastered_Collection/...

[account42]

Yes, but "Freeware" is not a license. Typically there is an EULA that tells you what you are allowed to do.