Shameless plug on this topic: I've been working on a new Linux+Docker+Kubernetes solution for macOS recently! Already has quite a few improvements over existing apps including Docker Desktop, Rancher, Colima, etc: fast networking (30 Gbps), VirtioFS and bidirectional filesystem sharing, Rosetta for fast x86, full Linux (not only Docker), lower CPU usage, and other tweaks.

More details here to avoid spamming this thread: https://news.ycombinator.com/item?id=34374176