Docker is described as 'Open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere' and is a very popular Virtualization tool in the system & hardware category. There are more than 25 alternatives to Docker for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and BSD apps. The best Docker alternative is Podman, which is both free and Open Source. Other great apps like Docker are Portainer, Linux Containers (LXC), Distrobox and Podman Desktop.
ServBay is an AI-native local dev platform for web developers and coding agents. It integrates 50+ runtimes, databases, and web servers with a built-in MCP server, a secure local AI Gateway, and a remote app—forming the ultimate local infrastructure for AI-driven development.
CRI-O is an implementation of the Kubernetes CRI (Container Runtime Interface) to enable using OCI (Open Container Initiative) compatible runtimes. It is a lightweight alternative to using Docker as the runtime for kubernetes.
The FreeBSD jail mechanism is an implementation of operating system-level virtualization that allows system administrators to partition a FreeBSD-based computer system into several independent mini-systems called jails.
Great tools and documentation, they have been around for much longer than docker and are a more mature solution.
An unofficial GUI for managing your Distroboxes. Written with GTK4 + Libadwaita.
Packer is a "source available" tool for creating identical machine images for multiple platforms from a single source configuration. Packer is lightweight, runs on every major operating system, and is highly performant, creating machine images for multiple platforms in...
Packer is NOT an alternative to Docker. it is an API abstraction layer for creating repeatable machine images, not for orchestrating containers
Packer is a system building and provisioning tool. While it can be used to create a virtual machine, it is not itself virtual machine implementation.
Singularity is a container solution with a focus on building reproducible software stacks and running them most efficiently on existing HPC, scientific, compute farm and even enterprise architectures.
Lightweight, very easy to setup. Moving containers between servers is as easy as copying a file.
OpenVZ is container-based virtualization for Linux.
OpenVZ creates multiple secure, isolated Linux containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict.
Each container performs.
Apache Mesos is a cluster manager that simplifies the complexity of running applications on a shared pool of servers.
Kata Containers is an open source, secure container runtime with lightweight virtual machines that feel and perform like containers, but provide stronger workload isolation using hardware virtualization technology as a second layer of defense.
United States
It is supported by Red Hat