# cozystack/cozystack

Cozystack: Free Cloud Platform based on Kubernetes

Repository: https://github.com/cozystack/cozystack
Canonical: https://ross.abutalabs.com/products/cozystack
Homepage: https://cozystack.io
Language: Shell
License: Apache-2.0
License Family: permissive
Topics: cloud, clusterapi, kubernetes, kubevirt, kvm, self-hosted, talos, hacktoberfest
Last push: 2026-08-26T21:10:09+00:00

## Health v2 (maintenance only)
Score: 89/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 99, release rhythm 86, longevity 72
- inputs: {"age_days": 1016, "days_push": 7, "days_rel": 14, "gap_med": 2, "n_releases_24m": 154}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2204, forks 198 (observed 2026-08-28T04:06:25.793295+00:00)

## What it is
Cozystack is a free, open-source cloud platform and framework built on Kubernetes that transforms bare metal servers into a cloud with a REST API for spawning Kubernetes clusters, virtual machines, databases-as-a-service, and load balancers. It is a CNCF Sandbox project using Talos Linux, KubeVirt, and Cluster API.

## Use cases
- build a private cloud on bare metal servers
- run a public cloud offering Kubernetes clusters as a service
- use as a self-hosted VMware alternative for virtual machines
- deploy a Kubernetes distribution on bare metal
- provide database-as-a-service to internal teams
- create cost-effective development environments with infrastructure-as-code

## When to choose
- you want to turn bare metal servers into a multi-tenant cloud platform
- you need an open-source VMware replacement with VMs and Kubernetes on the same infrastructure
- you prefer declarative Kubernetes-native APIs over proprietary cloud consoles
- you want to offer DBaaS, load balancers, and cluster provisioning from your own hardware

## When to avoid
- you only need managed Kubernetes in a public cloud
- you lack bare metal servers or a dedicated ops team
- you need a turnkey UI-first cloud with no Kubernetes knowledge
- your workloads are small enough for a single-node setup

## Facets
- artifact type: infra-config
- maturity: active
- function: container-orchestration, infrastructure-as-code, deployment, cloud, self-hosted, api-framework
- domain: cloud-computing, infrastructure-as-code, self-hosted, microservices
- platform: self-hosted
- tags: kubernetes-distribution, kubevirt, talos, clusterapi, bare-metal, cloud-platform, vmware-alternative, database-as-a-service, devops, containers, linux, kubernetes, docker

## Member repositories
- cozystack/cozystack (main) score 89

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:25.793295+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 2026-08-30T02:46:43.342664+00:00, confidence not recorded.
  - readme: https://github.com/cozystack/cozystack (fetched 2026-08-28T04:06:25.793295+00:00, sha 77807d21129c)
  - homepage: https://cozystack.io (fetched 2026-08-29T10:26:57.904471+00:00, sha fb20046c2660)
  - site_page: https://cozystack.io/docs (fetched 2026-08-29T10:26:57.907068+00:00, sha 48f68b5ec6c8)
  - site_page: https://cozystack.io/docs/get-started (fetched 2026-08-29T10:26:57.908735+00:00, sha aea9426b3309)
- Data as of 2026-08-30T08:39:29.467469+00:00.