{"adoption": {"forks": 521, "observed_at": "2026-08-28T04:09:02.620139+00:00", "stars": 4931}, "canonical_url": "https://ross.abutalabs.com/products/radicale", "card": {"archived": false, "artifact_type": "service", "description": "A simple CalDAV (calendar) and CardDAV (contact) server.", "domain": ["self-hosted", "developer-tools", "backend", "web-development"], "enriched": true, "function": ["http-server", "auth", "security", "plugin-system", "self-hosted"], "health_score": 100, "homepage": "https://radicale.org", "language": "Python", "license": "GPL-3.0", "license_family": "copyleft", "maturity": "stable", "member_repos": ["Kozea/Radicale"], "name": "Kozea/Radicale", "platform": ["python", "cross-platform", "self-hosted"], "pushed_at": "2026-08-24T18:57:01+00:00", "repo": "Kozea/Radicale", "stars": 4931, "tags": ["caldav", "carddav", "calendar-server", "contacts-server", "vcard", "icalendar", "sync", "linux"], "topics": ["python", "caldav", "icalendar", "carddav"], "urls": [], "use_cases": ["self-host a calendar server to sync events across devices", "share contact lists between phone and laptop via CardDAV", "sync to-do lists and journal entries with CalDAV clients", "serve calendars over HTTP with authentication and TLS", "store calendar and contact data in a simple file-based backend", "extend a groupware setup with a small CalDAV/CardDAV component"], "what_it_is": "Radicale is a lightweight CalDAV and CardDAV server for sharing calendars, to-do lists, and contacts over HTTP. It stores data on the file system, requires minimal setup, and supports authentication, TLS, and plugins.", "when_to_avoid": ["you need a full groupware suite with email, webmail, or shared collaboration features", "you require advanced multi-user admin tooling or a web UI out of the box", "you need horizontal scaling with clustered storage"], "when_to_choose": ["you want a simple, lightweight CalDAV/CardDAV server with minimal configuration", "you prefer file-based storage without a database dependency", "you need a free, GPLv3 self-hosted sync server compatible with many clients", "you want to extend server behavior with plugins"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/radicale", "repo": "Kozea/Radicale", "role": "main", "score": 98}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:02.620139+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:17:58.627684+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "f1063c942a5ab4fde9e88e353877c57bd77917f8201358f4d8e8f201479ae1e5", "fetched_at": "2026-08-28T04:09:02.620139+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Kozea/Radicale"}, {"content_hash": "13000ea5d362f8c87108b8f07847116e6257de1d13851fee3f7e1c6561230179", "fetched_at": "2026-08-29T08:59:36.795398+00:00", "kind": "homepage", "missing": false, "url": "https://radicale.org"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 96}, "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": 5501, "days_push": 9, "days_rel": 27, "gap_med": 17.5, "n_releases_24m": 29}, "score": 98, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}