

If no one discussed the value of software freedom on proprietary platforms then (hopefully) we’d be preaching to the choir here.
Linux has proprietary binary blobs in it. If any part of a software is proprietary then even if most of it is free then why do people not call “Linux” proprietary? Libre Linux removes those blobs.
QEMU - A generic and open source machine emulator and virtualizer
For anyone wondering wtf Qemu is.