{"adoption": {"forks": 1988, "observed_at": "2026-08-28T04:11:19.998162+00:00", "stars": 17575}, "canonical_url": "https://ross.abutalabs.com/products/nix", "card": {"archived": false, "artifact_type": "cli-tool", "description": "Nix, the purely functional package manager", "domain": ["developer-tools", "operating-systems"], "enriched": true, "function": ["package-manager", "build-tool", "programming-language"], "health_score": 80, "homepage": "https://nixos.org/", "language": "C++", "license": "LGPL-2.1", "license_family": "copyleft", "maturity": "stable", "member_repos": ["NixOS/nix"], "name": "NixOS/nix", "platform": ["cli", "cross-platform"], "pushed_at": "2026-08-26T22:43:15+00:00", "repo": "NixOS/nix", "stars": 17575, "tags": ["reproducible-builds", "declarative", "nix-language", "functional-package-management", "command-line", "linux", "macos"], "topics": ["nix", "functional-programming", "c-plus-plus", "package-manager", "declarative-language"], "urls": [], "use_cases": ["reproducible development environments", "declarative package management", "build packages in isolation", "roll back package upgrades", "share dev environments across languages", "create minimal docker images"], "what_it_is": "Nix is a purely functional package manager that builds packages in isolation for reproducible, reliable, declarative package management. It includes its own declarative language and underpins Nixpkgs and NixOS.", "when_to_avoid": ["you want simple imperative installs with small disk overhead", "your team is unwilling to learn the Nix language", "you need Windows-native support"], "when_to_choose": ["you need reproducible builds and environments", "you want atomic upgrades and rollbacks", "you manage many language ecosystems with one tool"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/nix", "repo": "NixOS/nix", "role": "main", "score": 77}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:19.998162+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T17:02:53.264106+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e7343b7d008763547860aa32f87a580c95819123dd07c9cb3fe9a47f0d23c15f", "fetched_at": "2026-08-28T04:11:19.998162+00:00", "kind": "readme", "missing": false, "url": "https://github.com/NixOS/nix"}, {"content_hash": "03fdf21173e63a927ff9b032e4ec93aa0eb03a04bdec5ae362d13fd8f8ee7f23", "fetched_at": "2026-08-29T08:00:51.598844+00:00", "kind": "homepage", "missing": false, "url": "https://nixos.org/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 5320, "days_push": 7, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 77, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}