# moturus/motor-os

A simple, fast, and secure operating system for the cloud.

Repository: https://github.com/moturus/motor-os
Canonical: https://ross.abutalabs.com/products/motor-os
Language: Rust
License: Apache-2.0
License Family: permissive
Last push: 2026-08-25T22:33:17+00:00

## Health v2 (maintenance only)
Score: 71/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 35, longevity 70
- inputs: {"age_days": 986, "days_push": 8, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1090, forks 33 (observed 2026-08-28T04:03:32.925074+00:00)

## What it is
Motor OS is a microkernel-based operating system written entirely in Rust, designed for virtualized cloud workloads such as web serving, serverless computing, and edge caching. It targets x64 KVM-based VMs (running on Qemu, Cloud Hypervisor, or Alioth) and exposes a Rust-native ABI instead of a C one.

## Use cases
- run a lightweight OS for web serving in a KVM virtual machine
- host serverless workloads with faster boot times than Linux
- experiment with a Rust-written microkernel OS
- reduce attack surface compared to Linux for cloud VMs
- serve static websites from a minimal cloud OS
- research alternative operating system designs for virtualized environments

## When to choose
- you run Rust-based services in KVM VMs and want minimal boot time and overhead
- you want a smaller, simpler, more secure alternative to Linux for virtualized workloads
- you are doing OS research or experimentation with microkernels

## When to avoid
- you need production-grade stability or sensitive workloads - the project is under active development
- you need broad hardware, driver, or application ecosystem support
- you need ARM or bare-metal support - only x64 KVM VMs are supported
- your applications are written in C or languages expecting a POSIX/C ABI

## Facets
- artifact type: application
- maturity: experimental
- function: security, networking, file-system, concurrency
- domain: operating-systems, cloud-computing, security, performance
- platform: rust, cloud
- tags: microkernel, operating-system, kvm, virtualization, rust-os, cloud-native, serverless, virtio, linux

## Member repositories
- moturus/motor-os (main) score 71

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:32.925074+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:49:13.640121+00:00, confidence not recorded.
  - readme: https://github.com/moturus/motor-os (fetched 2026-08-28T04:03:32.925074+00:00, sha 623925f787d4)
- Data as of 2026-08-30T08:39:29.467469+00:00.