It seems that the equivalent of the Apache Software Foundation for non-OSS applications is Corel. Just look at this list of applications:
"Most famous for its CorelDRAW Graphics Suite, Corel owns a surprisingly vast range of software assets that also includes WordPerfect, WinZip, PaintShop Pro, and many others. Corel in December confirmed that it had acquired virtualization pioneer Parallels for an undisclosed sum."
https://www.thurrott.com/windows/209695/corel-acquired-for-over-1-billion