{"adoption": {"forks": 418, "observed_at": "2026-08-28T04:06:00.857823+00:00", "stars": 1971}, "canonical_url": "https://ross.abutalabs.com/products/webodf-viewerjs", "card": {"archived": false, "artifact_type": "library", "description": "ViewerJS: Document Reader in JavaScript", "domain": ["web-development", "pdf", "frontend", "files"], "enriched": true, "function": ["pdf", "parser", "ui-components"], "health_score": 20, "homepage": "http://viewerjs.org", "language": "JavaScript", "license": null, "license_family": "other", "maturity": "maintenance", "member_repos": ["webodf/ViewerJS"], "name": "webodf/ViewerJS", "platform": ["browser"], "pushed_at": "2022-08-09T16:05:54+00:00", "repo": "webodf/ViewerJS", "stars": 1971, "tags": ["document-viewer", "odf", "pdfjs", "webodf", "in-browser-viewer", "office-documents", "web-server", "javascript"], "topics": [], "urls": [], "use_cases": ["embed pdf viewer in website", "display odt documents in browser", "show odp presentations on my site without plugins", "self-hosted document viewer for intranet", "render openoffice documents in a web app", "view spreadsheets in browser without google docs", "present slides directly from the browser"], "what_it_is": "ViewerJS is a JavaScript document viewer that renders PDF and OpenDocument Format (ODF) files directly in the browser, built on top of PDF.js and WebODF. It is self-hosted on your own webserver with no external dependencies, plugins, or third-party services required.", "when_to_avoid": ["you need to view proprietary formats like DOCX or XLSX natively", "you want a maintained library with active development and clear licensing", "you need AGPL-incompatible commercial use without purchasing a license"], "when_to_choose": ["you need to display PDF or ODF documents on your own site without third-party services", "privacy matters and you cannot send documents to hosted converters like Google Docs or Zoho", "you need offline-capable document viewing with embedded font support"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/webodf-viewerjs", "repo": "webodf/ViewerJS", "role": "main", "score": 23}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:00.857823+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:05:06.446325+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1e367e6edeff206caa37237673ee8802f9d139310f88a712055edd601904c508", "fetched_at": "2026-08-28T04:06:00.857823+00:00", "kind": "readme", "missing": false, "url": "https://github.com/webodf/ViewerJS"}, {"content_hash": "eeab134bfda389b6f3d9225d02cb3661e7bdea581f79de86be1720d8d41d1dbe", "fetched_at": "2026-08-29T10:45:00.811210+00:00", "kind": "homepage", "missing": false, "url": "http://viewerjs.org"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4898, "days_push": 1485, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 23, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}