{"adoption": {"forks": 227, "observed_at": "2026-08-28T04:05:47.846656+00:00", "stars": 1877}, "canonical_url": "https://ross.abutalabs.com/products/openvmm", "card": {"archived": false, "artifact_type": "application", "description": "Home of OpenVMM and OpenHCL", "domain": ["security", "operating-systems"], "enriched": true, "function": ["security", "developer-tools"], "health_score": 100, "homepage": "http://openvmm.dev/", "language": "Rust", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["microsoft/openvmm"], "name": "microsoft/openvmm", "platform": ["windows", "rust", "cross-platform"], "pushed_at": "2026-08-26T19:51:30+00:00", "repo": "microsoft/openvmm", "stars": 1877, "tags": ["vmm", "hypervisor", "paravisor", "openhcl", "confidential-computing", "virtualization", "infrastructure", "linux"], "topics": ["confidential-computing", "rust", "vmm"], "urls": [], "use_cases": ["run and manage virtual machines with a lightweight Rust-based VMM", "build a paravisor for confidential computing VMs", "develop and test virtualization components in Rust", "run OpenHCL inside Hyper-V VMs", "experiment with modular hypervisor architectures"], "what_it_is": "OpenVMM is a modular, cross-platform Virtual Machine Monitor (VMM) written in Rust, developed by Microsoft. It also hosts OpenHCL, a paravisor for running trusted management software inside confidential VMs.", "when_to_avoid": ["you need a mature, production-hardened hypervisor like KVM or Hyper-V for general workloads", "you only need simple desktop virtualization with a GUI", "your team is not comfortable working with low-level systems code in Rust"], "when_to_choose": ["you need a cross-platform, modular VMM written in Rust", "you are building confidential computing solutions requiring a paravisor", "you want to contribute to or extend an open-source virtualization stack", "you need fine-grained control over VM device emulation"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/openvmm", "repo": "microsoft/openvmm", "role": "main", "score": 88}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:47.846656+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:14:42.946577+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "a380477f87f8d334999f0f84470c3761d3c090c208bceeb92795a38225a864b8", "fetched_at": "2026-08-28T04:05:47.846656+00:00", "kind": "readme", "missing": false, "url": "https://github.com/microsoft/openvmm"}, {"content_hash": "071dfc08effff47214a5f3128ce8ddd5e35f092da818067ef230b6a1faac6b1e", "fetched_at": "2026-08-29T10:53:28.425174+00:00", "kind": "homepage", "missing": false, "url": "http://openvmm.dev/"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 65, "rhythm": 86}, "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": 915, "days_push": 7, "days_rel": 19, "gap_med": 31.5, "n_releases_24m": 3}, "score": 88, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}