Sun Microsystems bought Star Division, the original creators of StarOffice, which was proprietary. Sun open sourced OpenOffice, with StarOffice still available with proprietary add-ons. When Oracle bought up Sun, they first reduced resources to OpenOffice and then shut it down altogether when LibreOffice came along, with trademarks and such assigned to the Apache project.
Oracle happened to OpenOffice.
Sun Microsystems bought Star Division, the original creators of StarOffice, which was proprietary. Sun open sourced OpenOffice, with StarOffice still available with proprietary add-ons. When Oracle bought up Sun, they first reduced resources to OpenOffice and then shut it down altogether when LibreOffice came along, with trademarks and such assigned to the Apache project.