Earlier quoted context omitted.
No two environments are the same. Instead of looking for a like for like total replacement (even though you actually don't use all VMware features or use some only because they were the only way possible in VMware's ecosystem and not because they're actually any good (vRA, Log Insight)), evaluate your actual needs and what do you need to run under what conditions. You'll probably end up discovering that any of Proxmo…
You will also probably end up discovering your costs drastically inflate. There is a reason why companies stick with bundled products. Find a way to bundle that mismash of software you mentioned into a single pane of glass with a 4 year support guarantee and you will be rich. You will quickly find out why it hasn’t been done and why Redhat and Microsoft look so promising after all
Also, "bundled" stuff constraints you. You're forced into using VMware's crap orchestrator or log management tool because it's the one that works best with the mess that is other VMware products.