# NixOS / Nix vs pyinfra

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

| Attribute | NixOS / Nix | pyinfra |
|---|---|---|
| **vioscaleAI score** | 54.6 (51% (medium)) | 49.5 (64% (medium)) |
| activity.commits_last_30d | 100 | 27 |
| adoption.dependent_repos | 0 | 22 |
| adoption.github_stars | 17,860 | 6,032 |
| content.faq | `[{"answer":"Nix enables reproducible, isolated package builds and declarative system configurations, ensuring that package installations cannot break existing systems and allowing rollback to previous versions. It is indexed under Configuration Management Tools.","source":"https://nixos.org","question":"What is NixOS / Nix?","confidence":0.6},{"answer":"NixOS / Nix is open source, so it can be self-hosted and used at no licence cost. It is released under the LGPL-2.1 licence. Pricing changes often, so verify at source before relying on it.","source":"https://nixos.org","question":"Is NixOS / Nix free to use?","confidence":0.6},{"answer":"NixOS / Nix supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://nixos.org","question":"What platforms does NixOS / Nix support?","confidence":0.6},{"answer":"Yes. NixOS / Nix can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://nixos.org","question":"Can NixOS / Nix be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for NixOS / Nix. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as NixOS / Nix not holding them. Always confirm compliance directly before you rely on it.","source":"https://nixos.org/community/teams/security","question":"What security certifications does NixOS / Nix have?","confidence":0.7},{"answer":"Yes. NixOS / Nix is published under the LGPL-2.1 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/NixOS/nix","question":"Is NixOS / Nix open source?","confidence":0.95},{"answer":"NixOS / Nix is available worldwide. The vendor is headquartered in the Netherlands.","source":"https://nixos.org","question":"Where is NixOS / Nix available?","confidence":0.75}]` | `[{"answer":"An infrastructure automation tool written in Python that runs commands over SSH on multiple servers concurrently and idempotently, without needing agents or configuration files. It is indexed under Configuration Management Tools.","source":"https://pyinfra.com/","question":"What is pyinfra?","confidence":0.6},{"answer":"pyinfra is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://pyinfra.com/","question":"Is pyinfra free to use?","confidence":0.6},{"answer":"pyinfra supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://pyinfra.com/","question":"What platforms does pyinfra support?","confidence":0.6},{"answer":"Yes. pyinfra can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://pyinfra.com/","question":"Can pyinfra be self-hosted?","confidence":0.6},{"answer":"Yes. pyinfra is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/pyinfra-dev/pyinfra","question":"Is pyinfra open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A package manager and system configuration tool that uses functional programming principles to ensure reproducible builds and deployments work consistently across different machines and environments. | An infrastructure automation tool that uses Python to define and execute declarative operations across SSH servers, local machines, and Docker containers with idempotent execution. |
| features.capabilities | `{"hosting":"self","language":"Nix","idempotent":true,"architecture":"declarative_os","desired_state":true,"masterless_mode":true,"windows_support":true,"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}` |
| integrations.count | - | 3 |
| integrations.list | - | `[{"name":"Docker","native":true,"category":"infrastructure"},{"name":"Terraform","native":true,"category":"infrastructure"},{"name":"Vagrant","native":true,"category":"infrastructure"}]` |
| language.primary | C++ | Python |
| license.spdx | LGPL-2.1 | MIT |
| market.availability | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://nixos.org","retrievedAt":"2026-10-13T15:12:22.888Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://pyinfra.com/","retrievedAt":"2026-08-13T22:42:42.751Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | 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 | 6.2 | - |
| security.trust_center | https://nixos.org/community/teams/security | - |
| 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: vioscaleAI. Generated 2026-10-16T20:03:14.134Z. "-" = undocumented, not absent.*