# Foreman vs NixOS / Nix

**Leader by Vioscale score:** NixOS / Nix

| Attribute | Foreman | NixOS / Nix |
|---|---|---|
| **Vioscale score** | 48.8 (17% (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,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A server lifecycle management tool that orchestrates provisioning, configuration management, and monitoring for both on-premise and cloud infrastructure. It provisions bare-metal and virtual servers from multiple cloud providers and integrates with configuration management tools to deploy and monitor server configurations. | 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":"both","hosting":"self","desired_state":true,"open_source_core":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 | 15 | - |
| integrations.list | `[{"name":"Puppet"},{"name":"Salt"},{"name":"Ansible"},{"name":"MaaS"},{"name":"Amazon EC2"},{"name":"Google Compute Engine"},{"name":"OpenStack"},{"name":"Libvirt"},{"name":"oVirt"},{"name":"VMware"},{"name":"LDAP"},{"name":"FreeIPA"},{"name":"Redmine"},{"name":"Discourse"},{"name":"GitHub"}]` | - |
| language.primary | - | C++ |
| license.spdx | - | LGPL-2.1 |
| market.availability | - | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://theforeman.org/","retrievedAt":"2026-08-13T22:23:01.243Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://nixos.org","retrievedAt":"2026-08-14T13:40:51.023Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | 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 | Foreman | NixOS / Nix |
|---|:--:|:--:|
| **Core** |  |  |
| Architecture | - | Declarative-OS |
| Push / pull model | Both | - |
| Config language | - | Nix |
| **Deployment** |  |  |
| Masterless mode | - | ✓ |
| Hosting | Self-hosted only | 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 2026-09-01T14:46:42.339Z. "-" = undocumented, not absent.*