No (sane) company's migration path from XP is going to be to an open-source clone of XP developed by a small team, that offers them no guarantees whether it works, no support, and the possibility that development could stop at any time.

If I can offer you cloud-based access to a Windows app you need that no longer runs on hardware you can purchase, you don't have to know crap about what OS I'm running.

Now that's a startup idea.

If there are no other options, they will. And investors may be willing to fund a company that can keep XP apps running long-term.

No sane company is still using Windows XP, given that support ended 3 years ago and development ended a decade ago.

Still being used in POS equipment and ATMs.

"XP embedded" is still supported and updated, afaik.

Until April 9, 2019 https://support.microsoft.com/en-us/help/18581/lifecycle-sup...