OrbStack is described as 'Alternative to Docker Desktop for macOS, designed to offer improved performance for Docker and virtual machines on Linux running on Mac computers. It addresses performance issues that have been experienced in the past, particularly on models with Apple Silicon' and is a Virtualization tool in the network & admin category. There are more than 10 alternatives to OrbStack for a variety of platforms, including Mac, Windows, Linux, Self-Hosted and Flathub apps. The best OrbStack alternative is Docker, which is both free and Open Source. Other great apps like OrbStack are Podman, Windows Subsystem for Linux, Podman Desktop and Seabird.
OrbStack provides Virtual Machines support + full docker containers. support. With Skopeo you have neither VMs, nor containers, it's a simple tool to manipulate OCI Images download/tag/upload to OCI Registries. That's like 2% of what OrbStack is capable of.