Microsoft's Software Is Malware:
https://www.gnu.org/proprietary/malware-microsoft.html
Google's Software Is Malware:
https://www.gnu.org/proprietary/malware-google.html
Apple's Operating Systems Are Malware:
https://www.gnu.org/proprietary/malware-apple.html
Amazon's Software Is Malware:
https://www.gnu.org/proprietary/malware-amazon.html
Adobe's Software Is Malware:
https://www.gnu.org/proprietary/malware-adobe.html