I found this https://www.vcluster.com/pricing https://www.vcluster.com/pricing and found out through this page that although I thought vCluster was open source

I found this https://www.vcluster.com/pricing https://www.vcluster.com/pricing and found out through this page that although I thought vCluster was open source (https://github.com/loft-sh/vcluster https://github.com/loft-sh/vcluster) the commercial tiers provide additional features. There's also KCP https://www.kcp.io/ https://www.kcp.io/ but I don't know what are the big differentiators.