{"adoption": {"forks": 684, "observed_at": "2026-08-28T04:08:46.661403+00:00", "stars": 4365}, "canonical_url": "https://ross.abutalabs.com/products/vexflow", "card": {"archived": false, "artifact_type": "library", "description": "A JavaScript library for rendering music notation and guitar tablature.", "domain": ["web-development", "media", "education", "cross-platform"], "enriched": true, "function": ["graphics", "data-visualization", "sdk"], "health_score": 34, "homepage": "http://www.vexflow.com", "language": "TypeScript", "license": "NOASSERTION", "license_family": "other", "maturity": "stable", "member_repos": ["0xfe/vexflow"], "name": "0xfe/vexflow", "platform": ["browser", "cross-platform"], "pushed_at": "2025-03-05T22:49:21+00:00", "repo": "0xfe/vexflow", "stars": 4365, "tags": ["music-notation", "sheet-music", "guitar-tablature", "svg", "canvas", "typescript", "music-theory", "score-rendering", "nodejs", "web-server"], "topics": [], "urls": [], "use_cases": ["render sheet music in a web page", "display guitar tablature in a music education app", "generate score images or PDFs from a Node.js script", "build an interactive music notation editor", "embed musical exercises in an online learning platform", "render staves, clefs, and time signatures with SVG"], "what_it_is": "VexFlow is an open-source TypeScript library for rendering music notation and guitar tablature to HTML Canvas and SVG. It works in browsers and Node.js, offering both a high-level EasyScore API and a low-level native API for precise control over score rendering.", "when_to_avoid": ["you need audio playback or MIDI synthesis rather than visual rendering", "you need full MusicXML import/export support out of the box", "you are building a native mobile or desktop app without a web view", "you need engraving-quality output comparable to dedicated desktop notation software"], "when_to_choose": ["you need to render music notation or tablature in JavaScript", "you want both browser and Node.js rendering support", "you need fine-grained control over notation layout via a low-level API", "you want a mature, widely used notation library"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/vexflow", "repo": "0xfe/vexflow", "role": "main", "score": 27}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:46.661403+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:21:25.007367+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "ed51db6fe2211e7a7ca50a3fd35436ab4629cb0581a32784de92a6e5062a8e3e", "fetched_at": "2026-08-28T04:08:46.661403+00:00", "kind": "readme", "missing": false, "url": "https://github.com/0xfe/vexflow"}, {"content_hash": "11deb8594b81b7e43a35975f880cfc888d0ad0eefa3835d54cb2f77a0c1b52bb", "fetched_at": "2026-08-29T09:10:04.524333+00:00", "kind": "homepage", "missing": false, "url": "http://www.vexflow.com"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 9, "longevity": 100, "rhythm": 8}, "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": 5874, "days_push": 546, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 27, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}