Looking for a Colima alternative
If you are searching this because Colima cannot give you a macOS guest or a snapshot, you want a hypervisor rather than a lighter container runtime.
First: do not switch if this is you
Your job is containers. Colima gives you the Docker CLI, Compose and optional Kubernetes on macOS with far less overhead than Docker Desktop and no licensing conditions at all. 1VMTool ships a managed Docker engine now, but it is one Debian VM inside a virtualization app — for a container-first job Colima is the purpose-built, free answer.
1VMTool is an early product. It is deliberately narrower than Colima, and a narrower tool is only an upgrade when the part it does well is the part you need.
What frustrates people about Colima
- It is a container runtime, not a virtualization app. The Lima VM underneath is plumbing you are not meant to manage.
- No macOS guests and no Windows guests.
- No snapshots of the machine, no rollback, no snapshot tree.
- You inherit Lima's constraints, including the trade-off between the fast Apple backend and the features only the QEMU backend provides.
What you gain by moving
- You need a real virtual machine with its own disk rather than a container host.
- You need macOS or Windows guests.
- You want snapshots and rollback to be first-class.
- You want a desktop app rather than a CLI over a hidden VM.
How they actually differ
| 1VMTool | Colima | |
|---|---|---|
| Containers | A managed Docker engine since 0.3.0 — private socket, Compose-grouped workspace — running inside a VM it owns. No Kubernetes. | The entire point — Docker CLI, Compose and Kubernetes. |
| Snapshot mechanism | APFS clone of the disk bundle. Take and restore in well under a millisecond, independent of disk size. | Not a machine-snapshot product. |
| macOS guests | Supported. | None. |
| Windows guests | Experimental first-party engine. | None. |
| Price | One-time purchase. | Free under MIT, with no revenue conditions. |
| Interface | GUI and CLI as peers. | CLI only. |
| Bundled dependencies | None. | Lima, and QEMU where Lima needs it. |
| Open source | Closed source. | MIT. |
Highlighted cells mark the stronger side of each row. Competitor details checked September 2026 against vendor documentation — pricing and features move, so verify anything decision-critical at the source.
Moving across
- Keep Colima installed. There is no importer — machine formats do not transfer — so treat this as running both for a while rather than a migration.
- Recreate one machine you actually use in 1VMTool and work in it for a week. One real machine tells you more than a checklist.
- Take a safe point as soon as it is set up, then deliberately break something and restore it. That loop is the reason to switch; test it early.
- Only then decide. If the loop did not change how you work, the honest answer is to stay on Colima.
Frequently asked questions
Should I replace Colima with 1VMTool?
Not for containers. Since 0.3.0 1VMTool has a managed Docker engine — a real socket the host CLI talks to, with a Compose-aware workspace — but no Kubernetes, and it is Docker inside a VM it provisions. Colima is free, light and purpose-built for that job.
What is the difference between Colima and Lima?
Colima wraps Lima to make containers the default experience — Lima starts containerd, Colima starts Docker and can add Kubernetes. Colima is the friendlier front end to the same underlying VM machinery.
Can Colima run a macOS or Windows VM?
No. It runs a Linux VM to host containers. For macOS guests look at 1VMTool, VirtualBuddy, UTM, Parallels or Tart.
See whether the reset loop changes anything
Every screen states its limits before you commit, so it does not take long to find out.