{"adoption": {"forks": 412, "observed_at": "2026-08-28T04:09:34.228816+00:00", "stars": 6010}, "canonical_url": "https://ross.abutalabs.com/products/roc", "card": {"archived": false, "artifact_type": "cli-tool", "description": "A fast, friendly, functional language.", "domain": ["programming-languages", "compilers", "developer-tools", "cross-platform"], "enriched": true, "function": ["compiler", "programming-language", "interpreter", "developer-tools"], "health_score": 94, "homepage": "https://roc-lang.org", "language": "Zig", "license": "UPL-1.0", "license_family": "other", "maturity": "experimental", "member_repos": ["roc-lang/roc"], "name": "roc-lang/roc", "platform": ["windows", "cli", "wasm", "cross-platform"], "pushed_at": "2026-08-26T22:24:36+00:00", "repo": "roc-lang/roc", "stars": 6010, "tags": ["functional-language", "zig", "language-compiler", "work-in-progress", "wasm-target", "linux", "macos"], "topics": ["functional-language", "functional-programming", "language", "roc-lang"], "urls": [], "use_cases": ["learn a functional programming language", "compile fast native binaries from a friendly language", "build webassembly apps from a functional language", "try a single-paradigm functional language with simple primitives", "contribute to an open-source compiler written in zig"], "what_it_is": "Roc is a fast, friendly, functional programming language implemented in Zig, with a compiler toolchain that builds to machine code or WebAssembly. The project is a work in progress and has not yet reached a 0.1 release, though it offers a compiler CLI, standard library, tutorial, and examples.", "when_to_avoid": ["you need a stable, production-ready language for critical projects", "you require a 1.0 release with long-term stability guarantees", "you need broad ecosystem libraries and mature tooling today"], "when_to_choose": ["you want to experiment with a modern functional language that compiles to machine code or wasm", "you value fast build and run times with a friendly toolset", "you want to contribute to an early-stage language project"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/roc", "repo": "roc-lang/roc", "role": "main", "score": 80}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:09:34.228816+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T07:21:27.529346+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e6ef5838ed01628a4e1f68219d4d0d91204f3fe04a3f8d57c26879178942821d", "fetched_at": "2026-08-28T04:09:34.228816+00:00", "kind": "readme", "missing": false, "url": "https://github.com/roc-lang/roc"}, {"content_hash": "52571973e45ccda08e983f36f64eca7a208eae305a1641401ad572cbc2521e9e", "fetched_at": "2026-08-29T08:45:44.480096+00:00", "kind": "homepage", "missing": false, "url": "https://roc-lang.org"}, {"content_hash": "e400148a67542c75d49e4ef93af50fc5b03d65efffd215666876c2197884936f", "fetched_at": "2026-08-29T08:45:44.485632+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/install"}, {"content_hash": "794ce42d82ed8bac318ae360d20bf2c1e5ddf55f01bd22019bb9fcd5cded81d9", "fetched_at": "2026-08-29T08:45:44.487733+00:00", "kind": "site_page", "missing": false, "url": "https://roc-lang.org/docs/main"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 44}, "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": 2782, "days_push": 7, "days_rel": 372, "gap_med": 27, "n_releases_24m": 4}, "score": 80, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}