# NixOS / Nix vs pyinfra

| Attribute | NixOS / Nix | pyinfra |
|---|---|---|
| **Vioscale score** | 61.4 (58% (medium)) | 57.7 (69% (medium)) |
| activity.commits_last_30d | 100 | 13 |
| adoption.dependent_repos | 0 | 22 |
| adoption.github_stars | 17,573 | 5,965 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Nix enables reproducible, isolated package builds and declarative system configurations, ensuring that package installations cannot break existing systems and allowing rollback to previous versions. | An infrastructure automation tool written in Python that runs commands over SSH on multiple servers concurrently and idempotently, without needing agents or configuration files. |
| features.capabilities | `{"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}` | `{"model":"push","hosting":"self","language":"Python","idempotent":true,"architecture":"agentless","desired_state":true,"masterless_mode":true,"open_source_core":true}` |
| language.primary | C++ | Python |
| license.spdx | LGPL-2.1 | MIT |
| market.availability | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"linux":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://nixos.org","retrievedAt":"2026-08-14T13:40:51.023Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://pyinfra.com/","retrievedAt":"2026-08-13T22:42:42.751Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 34 |
| release.history | - | `[{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.10.0","date":"2026-07-27T19:51:14Z","type":"stable","version":"v3.10.0"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.9.2","date":"2026-06-07T21:05:58Z","type":"stable","version":"v3.9.2"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.9.1","date":"2026-06-07T20:33:25Z","type":"stable","version":"v3.9.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.9.0","date":"2026-06-07T20:24:16Z","type":"stable","version":"v3.9.0"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.8.0","date":"2026-05-04T12:28:22Z","type":"stable","version":"v3.8.0"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.7","date":"2026-03-12T10:55:41Z","type":"stable","version":"v3.7"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.6.1","date":"2026-02-02T13:47:28Z","type":"stable","version":"v3.6.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.6","date":"2026-01-05T09:58:18Z","type":"stable","version":"v3.6"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.5.1","date":"2025-10-01T16:11:23Z","type":"stable","version":"v3.5.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.5","date":"2025-09-03T10:26:55Z","type":"stable","version":"v3.5"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.4.1","date":"2025-07-14T20:32:01Z","type":"stable","version":"v3.4.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.4","date":"2025-07-09T14:17:56Z","type":"stable","version":"v3.4"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.3.1","date":"2025-04-29T10:58:25Z","type":"stable","version":"v3.3.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.3","date":"2025-04-28T10:55:47Z","type":"stable","version":"v3.3"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.2","date":"2025-01-09T21:33:50Z","type":"stable","version":"v3.2"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.1.1","date":"2024-09-25T21:41:26Z","type":"stable","version":"v3.1.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.1","date":"2024-08-18T12:55:59Z","type":"stable","version":"v3.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.0.2","date":"2024-07-24T19:43:03Z","type":"stable","version":"v3.0.2"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.0.1","date":"2024-07-21T18:34:46Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/pyinfra-dev/pyinfra/releases/tag/v3.0","date":"2024-07-15T06:16:50Z","type":"stable","version":"v3.0"}]` |
| 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}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=pyinfra&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Configuration Management Tools)

| Capability | NixOS / Nix | pyinfra |
|---|:--:|:--:|
| **Core** |  |  |
| Architecture | Declarative-OS | Agentless / SSH-push |
| Push / pull model | - | Push |
| Config language | Nix | Python |
| **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 2026-09-01T15:14:14.220Z. "-" = undocumented, not absent.*