Real Linux, in milliseconds.

Full VMs with systemd and a dedicated kernel — on your Mac, your servers, or your cloud.

SandboxesLinux machines via API

ServicesBare-metal performance

alex@n100:~$

Slicer Sandboxes

Isolated compute, ready to ship

Isolated Linux VMs with the ease of containers — a real kernel, systemd, and full OS. Launch from code, tear down when done.

Skip the DIY

Get fast microVM isolation without building and supporting the stack yourself. Embed sandboxes in your product via REST API or Go SDK.

Self-hosted. Zero metering.

E2B, Modal, and Daytona meter by the second. Slicer runs on your hardware — flat rate, data never leaves your network.

Cold boot in under a second

ZFS snapshots make every launch instant. Test, throw away, repeat — no waiting for images or provisioning.

Automate VMs like API calls

Copy files in, run commands, pull results out. No SSH, no Ansible — just Slicer's CLI, REST API, or Go SDK.

# Run headless workloads just like containers
# - from the CLI, or from code.

$ slicer vm new \
    --userdata-file setup_opencode.sh
$ slicer vm cp ./pr.tgz vm-1:/home/ubuntu/
$ slicer vm exec vm-1 \
    -- tar -xcf /home/ubuntu/pr.tgz
$ slicer vm exec vm-1 opencode \
    -m "Review this code and quit when done" \
    >> /tmp/REVIEW.md
$ slicer vm cp vm-1:/tmp/REVIEW.md ./REVIEW.md

But it's not just a sandbox — it's a full OS.

Every microVM runs a real kernel with systemd, package managers, and cron. Run Kubernetes clusters, long-lived servers, or replace your entire dev VM stack — one platform.

Slicer for Mac

Real Linux on your Mac

No cloud access, no VPN, no AWS account. Real Linux with systemd on your laptop — matching production.

Goodbye approval fatigue

Run Claude, Codex, and OpenCode in its own VM with root access. Copy out the results when it's done.

Kubernetes on your laptop

Spin up K3s inside a Slicer VM. Test Helm charts, validate RBAC, iterate on controllers — on your own machine.

Edit on Mac, run on Linux

VirtioFS mounts your Mac directory into the VM. Agents, builds, and tests see the same files — no copying, no syncing.

Replace Docker Desktop, Colima, Lima, and UTM

Ephemeral sandboxes and long-lived servers in one tool. Faster boot, real systemd, and a workflow that just works.

For developers

“I need real Linux but I'm stuck on a Mac”
“We don't have our own cloud accounts”
“I wish Claude Code could run uninterrupted”
“Wanted a VM, got a helpdesk ticket from IT”

Slicer Services

Long-lived microVMs for servers, clusters, and labs

Persistent workloads on bare-metal instead of expensive cloud instances. Kubernetes, dev environments, homelabs — full OS with systemd.

Disposable Kubernetes clusters

One of the fastest ways to spin up HA Kubernetes clusters with node autoscaling for development, testing, and demos.

Accelerate AI Workloads with GPUs

Attach GPUs to microVMs for inference, fine-tuning, transcription, and more.

Skip the cloud tax

Run on bare-metal at a fraction of cloud costs for dev and test.

Ubuntu & Rocky Linux

Boot a Debian- or RHEL-like OS with systemd, matching your production environment.

Dockerfile

# Extend a Slicer OS image with Docker/BuildKit

FROM ghcr.io/openfaasltd/\
  slicer-systemd-ubuntu24.04:\
  6.1.90-x86_64-latest

RUN apt-get update -qy \
  && apt-get install -qy \
    python3 python3-pip

RUN curl -sLS \
  https://get.docker.com | bash
RUN systemctl enable --now docker
RUN usermod -aG docker ubuntu

Battle-tested in production

Slicer's code has run 3M+ CI minutes on Arm runners for CNCF — securing the ecosystem before it hit GitHub's roadmap.

Real Linux, on your hardware, in milliseconds.

Start with a 14-day free trial. Runs on your own hardware — nothing leaves your machine.

$25/mo · Team $25/mo/seat · Platform $250/mo/server

See Plans & Pricing Talk to Our Team