# Chef Habitat vs NixOS / Nix

| Attribute | Chef Habitat | NixOS / Nix |
|---|---|---|
| **Vioscale score** | 63.7 (18% (low)) | 61.4 (58% (medium)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 17,573 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Chef Habitat automates the process of building, packaging, and deploying applications in isolated artifacts that can run anywhere. It provides a development studio for defining deployment instructions, packages applications into immutable artifacts, and includes a lightweight supervisor agent to manage deployments across servers, VMs, and containers. | Nix enables reproducible, isolated package builds and declarative system configurations, ensuring that package installations cannot break existing systems and allowing rollback to previous versions. |
| features.capabilities | `{"model":"push","hosting":"both","language":"PowerShell, Bash","idempotent":true,"architecture":"agent","desired_state":true,"masterless_mode":true,"windows_support":true,"content_registry":true,"open_source_core":true,"policy_compliance":true,"cloud_provisioning":true}` | `{"hosting":"self","language":"Nix","idempotent":true,"architecture":"declarative_os","desired_state":true,"masterless_mode":true,"windows_support":false,"content_registry":true,"open_source_core":true,"cloud_provisioning":true}` |
| integrations.count | 4 | - |
| integrations.list | `[{"name":"Docker"},{"name":"Azure Container Registry"},{"name":"Amazon Elastic Container Registry"},{"name":"Docker Hub"}]` | - |
| language.primary | - | C++ |
| license.spdx | - | LGPL-2.1 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true,"linux":true,"windows":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"open_source","summary":"Open source and free","freeTier":true,"sourceUrl":"https://www.habitat.sh","retrievedAt":"2026-08-13T22:39:22.643Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://nixos.org","retrievedAt":"2026-08-14T13:40:51.023Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | - | yes |
| security.scorecard | - | 6.5 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=nix&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Configuration Management Tools)

| Capability | Chef Habitat | NixOS / Nix |
|---|:--:|:--:|
| **Core** |  |  |
| Architecture | Agent-based | Declarative-OS |
| Push / pull model | Push | - |
| Config language | PowerShell, Bash | Nix |
| **Deployment** |  |  |
| Masterless mode | ✓ | ✓ |
| Hosting | Cloud + self-hosted | Self-hosted only |
| **Correctness** |  |  |
| Idempotent | ✓ | ✓ |
| **Model** |  |  |
| Desired-state declarative | ✓ | ✓ |
| **Ecosystem** |  |  |
| Content registry | ✓ | ✓ |
| **Platform** |  |  |
| Windows support | ✓ | ✗ |
| **Scope** |  |  |
| Cloud provisioning | ✓ | ✓ |
| **Governance** |  |  |
| Policy / compliance | ✓ | - |
| **Commercial** |  |  |
| Enterprise edition | - | - |
| **Licensing** |  |  |
| Open-source core | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T17:14:44.178Z. "-" = undocumented, not absent.*