At this time, none:
https://earthweb.com/wp-content/uploads/2021/11/image-119-10...
There are some non-iOS, non-Android phones such as PinePhone, (https://www.pine64.org/pinephone/) but they do not have any significant marketshare.
KaiOS is marketed as a featurephone OS, but is Android + Gecko? so it's smartish. It's got some marketshare, but not that much. I think it's got more potential than Tizen anyway, and I don't think there's anything else out there with current support that targets regular users.