510
Petition Calls on Microsoft to Extend Windows 10 Support | PCMag
(www.pcmag.com)
This is a most excellent place for technology news and articles.
Well, someone could develop a new OS or a mainstream-friendly fork of Plan 9. The problem is literally over-reliance on privately-owned, proprietary software during an era where enshitification is the norm. GNU/Linux is the most mainstream-friendly OS that is not* proprietary.
*Some bits that are regularly used are obviously proprietary. See: RHEL