{"adoption": {"forks": 833, "observed_at": "2026-08-28T04:11:29.029979+00:00", "stars": 19632}, "canonical_url": "https://ross.abutalabs.com/products/blackhole", "card": {"archived": false, "artifact_type": "plugin", "description": "BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.", "domain": ["developer-tools"], "enriched": true, "function": ["audio-processing", "sdk"], "health_score": 97, "homepage": null, "language": "C", "license": "NOASSERTION", "license_family": "other", "maturity": "stable", "member_repos": ["ExistentialAudio/BlackHole"], "name": "ExistentialAudio/BlackHole", "platform": [], "pushed_at": "2026-08-11T23:33:14+00:00", "repo": "ExistentialAudio/BlackHole", "stars": 19632, "tags": ["virtual-audio-driver", "loopback", "coreaudio", "audio-routing", "no-kext", "audio", "macos-audio", "macos"], "topics": ["audio", "driver", "macos", "loopback", "virtual-audio-cable"], "urls": [], "use_cases": ["route audio from one mac app to another", "record system audio on macOS", "capture Zoom or Meet audio for transcription", "send DAW output to streaming software like OBS", "create a virtual audio cable between apps", "screen recording with internal audio"], "what_it_is": "BlackHole is a modern macOS virtual audio loopback driver that lets applications pass audio to other applications with zero additional latency. It is built as a userspace Core Audio driver requiring no kernel extensions, with configurable channel counts and sample rates.", "when_to_avoid": ["you are on Linux or Windows", "you need audio mixing or effects, not just pass-through", "you need a graphical routing interface"], "when_to_choose": ["you need app-to-app audio routing on macOS with no added latency", "you want a driver without kernel extension or security changes", "you need high channel counts or high sample rates for professional audio"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/blackhole", "repo": "ExistentialAudio/BlackHole", "role": "main", "score": 84}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.029979+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:59:53.746736+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "3a94dd796e5beb7176d3dd49cfc08b8dec252543ca0363ac32b2d8b2775f3795", "fetched_at": "2026-08-28T04:11:29.029979+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ExistentialAudio/BlackHole"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 97, "longevity": 100, "rhythm": 59}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2532, "days_push": 22, "days_rel": 61, "gap_med": 254.5, "n_releases_24m": 3}, "score": 84, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}