{"adoption": {"forks": 232, "observed_at": "2026-08-28T04:07:24.414995+00:00", "stars": 2832}, "canonical_url": "https://ross.abutalabs.com/products/thorium-reader", "card": {"archived": false, "artifact_type": "application", "description": "A cross platform desktop reading app, based on the Readium Desktop toolkit", "domain": ["desktop-applications", "media", "accessibility", "education"], "enriched": true, "function": ["gui", "internationalization", "accessibility"], "health_score": 100, "homepage": "https://www.edrlab.org/software/thorium-reader/", "language": "TypeScript", "license": "BSD-3-Clause", "license_family": "permissive", "maturity": "active", "member_repos": ["edrlab/thorium-reader"], "name": "edrlab/thorium-reader", "platform": ["windows", "cross-platform"], "pushed_at": "2026-08-26T19:33:58+00:00", "repo": "edrlab/thorium-reader", "stars": 2832, "tags": ["epub-reader", "ebook-reader", "opds", "lcp-drm", "readium", "screen-reader-support", "audiobooks", "pdf-viewer", "react", "typescript", "macos", "linux", "desktop", "electron"], "topics": ["typescript", "electron", "reader", "epub-reader", "epub", "epub3", "lcp", "react", "redux", "opds", "opds-feed"], "urls": [], "use_cases": ["read epub ebooks on desktop", "epub reader for windows mac linux", "access library books via opds feed", "read lcp drm protected ebooks", "accessible ebook reader for screen reader users", "read pdf and daisy files offline", "listen to audiobooks on desktop"], "what_it_is": "Thorium Reader is a free, cross-platform desktop e-book reading application for Windows, macOS, and Linux, built on the Readium Desktop toolkit with Electron, React, and Redux. It supports EPUB 3, PDF, DAISY, audiobooks, OPDS feeds, and LCP DRM, with a strong focus on accessibility for visually impaired users.", "when_to_avoid": ["you only read on mobile or e-ink devices", "you need Kindle or other proprietary DRM formats", "you want a lightweight browser-based reader instead of a desktop app"], "when_to_choose": ["you need a free, ad-free desktop e-book reader with no data tracking", "you rely on assistive technology like NVDA, JAWS, or Narrator", "you want OPDS catalog support to browse and download from library feeds", "you need LCP DRM support for library or school publications"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/thorium-reader", "repo": "edrlab/thorium-reader", "role": "main", "score": 83}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:07:24.414995+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T07:38:08.215537+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "814cb0b9262bac413666e93306a37c26d5e23b127bdb378bf8ec767231c30fb6", "fetched_at": "2026-08-28T04:07:24.414995+00:00", "kind": "readme", "missing": false, "url": "https://github.com/edrlab/thorium-reader"}, {"content_hash": "127824068aff469acd87f24e417489ec2c7ff46bf4720a2d0630d5ff9411c6f5", "fetched_at": "2026-08-29T09:53:37.422334+00:00", "kind": "homepage", "missing": false, "url": "https://www.edrlab.org/software/thorium-reader/"}, {"content_hash": "c134287370161eca4aed84938dd3ef74f3e7487cc1e83e3b7cfcebac9b4c91b0", "fetched_at": "2026-08-29T09:53:37.427461+00:00", "kind": "site_page", "missing": false, "url": "https://www.edrlab.org/about"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 54}, "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": 3453, "days_push": 7, "days_rel": 147, "gap_med": 112, "n_releases_24m": 6}, "score": 83, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}