{"adoption": {"forks": 383, "observed_at": "2026-08-28T04:04:49.412598+00:00", "stars": 1472}, "canonical_url": "https://ross.abutalabs.com/products/cfs", "card": {"archived": false, "artifact_type": "framework", "description": "The Core Flight System (cFS)", "domain": ["embedded-systems", "developer-tools", "simulation"], "enriched": true, "function": ["middleware", "embedded", "sdk", "testing"], "health_score": 99, "homepage": null, "language": "C", "license": "Apache-2.0", "license_family": "permissive", "maturity": "stable", "member_repos": ["nasa/cFS"], "name": "nasa/cFS", "platform": ["embedded", "cross-platform"], "pushed_at": "2026-08-26T16:41:44+00:00", "repo": "nasa/cFS", "stars": 1472, "tags": ["flight-software", "spacecraft", "nasa", "cfe", "osal", "cubesat", "real-time", "aerospace", "linux"], "topics": [], "urls": [], "use_cases": ["build flight software for a cubesat", "run cFS on a Raspberry Pi for embedded experiments", "send commands and receive telemetry from a cFS bundle", "develop and test spacecraft applications with the cFE framework", "simulate flight software in QEMU during CI", "start a mission flight software baseline from an open-source framework"], "what_it_is": "NASA's Core Flight System (cFS) is a generic flight software architecture framework written in C, used on spacecraft ranging from flagship and human-rated missions to cubesats and Raspberry Pi. This repository is a bundle of submodules (cFE, OSAL, PSP, and example apps) that builds and executes a reference system for command ingest and telemetry output.", "when_to_avoid": ["you need a fully verified operational flight distribution out of the box", "your project requires the government-only Distro C features under a Software User Agreement", "you need extensive mission-specific verification and validation done for you"], "when_to_choose": ["you need a proven, reusable flight software architecture for a spacecraft mission", "you want an open-source starting point for cFE/OSAL/PSP-based development", "you're prototyping embedded flight software on commodity hardware like Raspberry Pi"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/cfs", "repo": "nasa/cFS", "role": "main", "score": 90}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:49.412598+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:34:42.573799+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "6ee75c130f3c180543ad7429043790d655026687ccfdc9e9df18dd55861b2f6f", "fetched_at": "2026-08-28T04:04:49.412598+00:00", "kind": "readme", "missing": false, "url": "https://github.com/nasa/cFS"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 72}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3352, "days_push": 7, "days_rel": 111, "gap_med": 53.5, "n_releases_24m": 3}, "score": 90, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}