{"adoption": {"forks": 345, "observed_at": "2026-08-28T04:06:55.226081+00:00", "stars": 2479}, "canonical_url": "https://ross.abutalabs.com/products/nana", "card": {"archived": false, "artifact_type": "library", "description": "a modern C++ GUI library", "domain": ["desktop-applications", "cross-platform", "web-development"], "enriched": true, "function": ["gui", "ui-components"], "health_score": 77, "homepage": "https://nana.acemind.cn", "language": "C++", "license": "BSL-1.0", "license_family": "other", "maturity": "active", "member_repos": ["cnjinhao/nana"], "name": "cnjinhao/nana", "platform": ["windows", "bsd", "cross-platform", "cpp"], "pushed_at": "2026-08-01T19:02:59+00:00", "repo": "cnjinhao/nana", "stars": 2479, "tags": ["gui-toolkit", "modern-cpp", "c-plus-plus-11", "c-plus-plus-14", "c-plus-plus-17", "template-metaprogramming", "x11", "windowing", "linux", "macos"], "topics": ["modern-cpp", "c-plus-plus-11", "c-plus-plus-14", "c-plus-plus-17", "gui-toolkit", "template-metaprogramming", "cross-platform"], "urls": [], "use_cases": ["build a cross-platform desktop GUI application in C++", "create native windows and forms with modern C++ style", "develop a lightweight C++ GUI without heavy framework dependencies", "write a desktop app that runs on both Linux and Windows", "learn a C++ standard-like GUI toolkit", "prototype a small desktop tool with a graphical interface"], "what_it_is": "Nana is a modern C++ GUI library with a standard-like API for building cross-platform desktop applications. It is regularly tested on Linux (X11) and Windows, with experimental support for macOS and FreeBSD.", "when_to_avoid": ["you need first-class macOS support (still experimental)", "you require a very large ecosystem, rich widget set, or commercial-grade tooling like Qt", "you need mobile or web deployment", "you want long-term guaranteed maintenance cadence"], "when_to_choose": ["you want a header-friendly, modern C++ (C++11/14/17) GUI toolkit", "you need cross-platform desktop apps on Linux and Windows", "you prefer a Boost-style license and a standard-library-like API", "you want a lightweight GUI library without large runtime dependencies"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/nana", "repo": "cnjinhao/nana", "role": "main", "score": 66}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:55.226081+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T02:28:16.408654+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "31068f199a3a2fac91db64c8e1fd017c6f02917ae9a37a128dfe8eccc46d59e2", "fetched_at": "2026-08-28T04:06:55.226081+00:00", "kind": "readme", "missing": false, "url": "https://github.com/cnjinhao/nana"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 95, "longevity": 100, "rhythm": 8}, "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": 5383, "days_push": 32, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 66, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}