Alternatives to Sysbox
A container runtime that lets rootless containers run systemd, Docker and Kubernetes like virtual machines. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Sysbox
A container runtime that lets rootless containers run systemd, Docker and Kubernetes like virtual machines.
Replacements
Listings that take over the same core job as Sysbox.
Kata Containers
An open-source container runtime that runs each container inside a lightweight virtual machine for stronger isolation.
Kata Containers runs each container inside a lightweight virtual machine with its own kernel, requiring hardware virtualization support on the host.
gVisor
An application kernel that sandboxes containers to isolate them from the host Linux kernel.
gVisor sandboxes containers with an application kernel through its runsc runtime for Docker and Kubernetes, though some applications may not be compatible.
Similar software
Related functionality, not a direct replacement.
LXC
System containers that run a full Linux userspace instead of a single process.
LXD
Canonical's open-source manager for system containers and KVM virtual machines on Linux.
Docker Engine
The container runtime that builds, packages and runs applications in Docker containers.
CRI-O
A lightweight container runtime built specifically to run containers for Kubernetes.
Cloud Hypervisor
An open source virtual machine monitor written in Rust for running modern cloud workloads on KVM.
Podman
Daemonless container engine with a Docker-compatible command line.
