{
    "status": "source-verified",
    "compiled": "2026-10-21",
    "note": "Open-source quantum software whose owner organisation was checked against ROR or an official page; licences were checked in each repository. Repository facts come from the GitHub REST API, release facts from PyPI and DOIs from Zenodo, each with its retrieval date; descriptions are the maintainers' own text. A referral list, not an endorsement or a security assessment. Candidates found automatically wait for editorial review.",
    "facts_retrieved": "2026-10-29",
    "metadata_terms": {
        "github": "GitHub REST API, under the GitHub Terms of Service; descriptions are the maintainers' own text.",
        "pypi": "PyPI JSON API.",
        "zenodo": "Zenodo REST API; metadata dedicated to the public domain under CC0 1.0."
    },
    "categories": {
        "sdk": "SDK or programming framework",
        "compiler": "Compiler, language or verification tool",
        "simulator": "Simulator or emulator",
        "error_correction": "Quantum error correction",
        "communication": "Quantum networking and QKD",
        "pqc": "Post-quantum cryptography",
        "benchmarking": "Benchmarking",
        "control": "Control stack and hardware design"
    },
    "licence_types": {
        "permissive": "Permissive (such as MIT, Apache 2.0, BSD)",
        "weak_copyleft": "Weak copyleft (such as LGPL, MPL, EPL)",
        "copyleft": "Copyleft (such as GPL, AGPL, EUPL)"
    },
    "entries": [
        {
            "id": "openql",
            "name": "OpenQL",
            "category": "compiler",
            "category_label": "Compiler, language or verification tool",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Compiler framework that turns quantum programs written in Python or C++ into instructions for quantum accelerators.",
            "licence": "Apache-2.0",
            "licence_type": "permissive",
            "licence_checked_in": "the repository's licence file",
            "repository": "https://github.com/QuTech-Delft/OpenQL",
            "docs": "https://openql.readthedocs.io",
            "package": "https://pypi.org/project/qutechopenql/",
            "doi": null,
            "last_activity": "2024-09-03",
            "active_last_12_months": false,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
                    "stars": 110,
                    "language": "C++",
                    "topics": [],
                    "pushed": "2024-09-03T22:11:46Z",
                    "licence_detected": "NOASSERTION",
                    "description": "OpenQL: A Portable Quantum Programming Framework for Quantum Accelerators. https://dl.acm.org/doi/10.1145/3474222",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "qutechopenql",
                    "version": "0.12.2",
                    "released": "2024-01-09",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository QuTech-Delft/OpenQL",
                    "url": "https://github.com/QuTech-Delft/OpenQL",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project qutechopenql",
                    "url": "https://pypi.org/project/qutechopenql/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "libqasm",
            "name": "libQASM",
            "category": "compiler",
            "category_label": "Compiler, language or verification tool",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Library that parses and checks programs written in the cQASM quantum assembly language.",
            "licence": "Apache-2.0",
            "licence_type": "permissive",
            "licence_checked_in": "the repository's licence file",
            "repository": "https://github.com/QuTech-Delft/libqasm",
            "docs": "https://qutech-delft.github.io/libqasm/",
            "package": "https://pypi.org/project/libqasm/",
            "doi": null,
            "last_activity": "2026-10-26",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
                    "stars": 23,
                    "language": "C++",
                    "topics": [],
                    "pushed": "2026-10-26T12:50:10Z",
                    "licence_detected": "NOASSERTION",
                    "description": "libQASM: Library to parse cQASM files",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "libqasm",
                    "version": "1.6.0",
                    "released": "2026-10-14",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository QuTech-Delft/libqasm",
                    "url": "https://github.com/QuTech-Delft/libqasm",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project libqasm",
                    "url": "https://pypi.org/project/libqasm/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "qx-simulator",
            "name": "QX simulator",
            "category": "simulator",
            "category_label": "Simulator or emulator",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Simulator that runs cQASM quantum programs on a classical computer.",
            "licence": "Apache-2.0",
            "licence_type": "permissive",
            "licence_checked_in": "the repository's licence file",
            "repository": "https://github.com/QuTech-Delft/qx-simulator",
            "docs": "https://qutech-delft.github.io/qx-simulator/",
            "package": "https://pypi.org/project/qxelarator/",
            "doi": null,
            "last_activity": "2026-10-23",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
                    "stars": 20,
                    "language": "C++",
                    "topics": [],
                    "pushed": "2026-10-23T14:53:47Z",
                    "licence_detected": "NOASSERTION",
                    "description": "QX Simulator",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "qxelarator",
                    "version": "0.11.0",
                    "released": "2026-10-23",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository QuTech-Delft/qx-simulator",
                    "url": "https://github.com/QuTech-Delft/qx-simulator",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project qxelarator",
                    "url": "https://pypi.org/project/qxelarator/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "quantum-inspire",
            "name": "Quantum Inspire SDK",
            "category": "sdk",
            "category_label": "SDK or programming framework",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Command-line tool and Python library for managing projects and running jobs on the Quantum Inspire platform of QuTech.",
            "licence": "Apache-2.0",
            "licence_type": "permissive",
            "licence_checked_in": "licence detected by GitHub and checked in the repository",
            "repository": "https://github.com/QuTech-Delft/quantuminspire",
            "docs": null,
            "package": "https://pypi.org/project/quantuminspire/",
            "doi": null,
            "last_activity": "2026-10-26",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
                    "stars": 75,
                    "language": "Python",
                    "topics": [
                        "qiskit",
                        "quantum-inspire",
                        "sdk"
                    ],
                    "pushed": "2026-10-26T15:07:33Z",
                    "licence_detected": "Apache-2.0",
                    "description": "Quantum Inspire SDK",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "quantuminspire",
                    "version": "4.2.0",
                    "released": "2026-10-19",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository QuTech-Delft/quantuminspire",
                    "url": "https://github.com/QuTech-Delft/quantuminspire",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project quantuminspire",
                    "url": "https://pypi.org/project/quantuminspire/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "simulaqron",
            "name": "SimulaQron",
            "category": "communication",
            "category_label": "Quantum networking and QKD",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Simulator of quantum network nodes for developing quantum internet applications.",
            "licence": "BSD-3-Clause",
            "licence_type": "permissive",
            "licence_checked_in": "the repository's licence file",
            "repository": "https://github.com/SoftwareQuTech/SimulaQron",
            "docs": "https://softwarequtech.github.io/SimulaQron/index.html",
            "package": "https://pypi.org/project/simulaqron/",
            "doi": null,
            "last_activity": "2026-05-15",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
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                    "language": "Python",
                    "topics": [],
                    "pushed": "2026-05-15T15:34:22Z",
                    "licence_detected": "NOASSERTION",
                    "description": "Quantum Network Simulator for Application Programming",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "simulaqron",
                    "version": "4.1.2",
                    "released": "2026-05-15",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository SoftwareQuTech/SimulaQron",
                    "url": "https://github.com/SoftwareQuTech/SimulaQron",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project simulaqron",
                    "url": "https://pypi.org/project/simulaqron/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "netqasm",
            "name": "NetQASM",
            "category": "communication",
            "category_label": "Quantum networking and QKD",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Instruction set and Python SDK for writing applications that run on quantum networks.",
            "licence": "MIT",
            "licence_type": "permissive",
            "licence_checked_in": "licence detected by GitHub and checked in the repository",
            "repository": "https://github.com/QuTech-Delft/netqasm",
            "docs": null,
            "package": "https://pypi.org/project/netqasm/",
            "doi": null,
            "last_activity": "2026-03-10",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
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                    "language": "Python",
                    "topics": [],
                    "pushed": "2026-03-10T10:04:22Z",
                    "licence_detected": "MIT",
                    "description": "",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "netqasm",
                    "version": "2.3.0",
                    "released": "2026-03-10",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository QuTech-Delft/netqasm",
                    "url": "https://github.com/QuTech-Delft/netqasm",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project netqasm",
                    "url": "https://pypi.org/project/netqasm/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "squidasm",
            "name": "SquidASM",
            "category": "communication",
            "category_label": "Quantum networking and QKD",
            "organisation": {
                "id": "qutech",
                "name": "QuTech",
                "role": "Developed by",
                "kind": "Research organisation",
                "country": "NL",
                "country_name": "Netherlands",
                "ror": "https://ror.org/04wf30j82",
                "website": "https://qutech.nl/",
                "sources": [
                    {
                        "title": "ROR record: QuTech",
                        "url": "https://ror.org/04wf30j82",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation QuTech-Delft (QuTech, Delft)",
                        "url": "https://github.com/QuTech-Delft",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "GitHub organisation SoftwareQuTech: software of the Wehner Group (QuTech, TU Delft)",
                        "url": "https://github.com/SoftwareQuTech",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Simulator that runs quantum network applications written with NetQASM on the NetSquid simulation engine.",
            "licence": "MIT",
            "licence_type": "permissive",
            "licence_checked_in": "licence detected by GitHub and checked in the repository",
            "repository": "https://github.com/QuTech-Delft/squidasm",
            "docs": null,
            "package": "https://pypi.org/project/squidasm/",
            "doi": null,
            "last_activity": "2026-02-17",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
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                "read": "weekly refresh",
                "github": {
                    "stars": 30,
                    "language": "Python",
                    "topics": [],
                    "pushed": "2026-02-17T16:42:37Z",
                    "licence_detected": "MIT",
                    "description": "",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "squidasm",
                    "version": "0.13.6",
                    "released": "2025-11-25",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository QuTech-Delft/squidasm",
                    "url": "https://github.com/QuTech-Delft/squidasm",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project squidasm",
                    "url": "https://pypi.org/project/squidasm/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "mqt-core",
            "name": "MQT Core",
            "category": "compiler",
            "category_label": "Compiler, language or verification tool",
            "organisation": {
                "id": "tum",
                "name": "Technical University of Munich",
                "role": "Developed by",
                "kind": "University",
                "country": "DE",
                "country_name": "Germany",
                "ror": "https://ror.org/02kkvpp62",
                "website": "https://www.tum.de",
                "sources": [
                    {
                        "title": "ROR record: Technical University of Munich",
                        "url": "https://ror.org/02kkvpp62",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "Munich Quantum Toolkit documentation: developed by the Chair for Design Automation at the Technical University of Munich",
                        "url": "https://mqt.readthedocs.io/",
                        "retrieved": "2026-10-21"
                    }
                ]
            },
            "summary": "Core C++ and Python libraries of the Munich Quantum Toolkit, including its compiler collection and decision-diagram data structures.",
            "licence": "MIT",
            "licence_type": "permissive",
            "licence_checked_in": "licence detected by GitHub and checked in the repository",
            "repository": "https://github.com/munich-quantum-toolkit/core",
            "docs": "https://mqt.readthedocs.io/projects/core",
            "package": "https://pypi.org/project/mqt.core/",
            "doi": null,
            "last_activity": "2026-10-29",
            "active_last_12_months": true,
            "archived": false,
            "repository_found": true,
            "metadata": {
                "retrieved": "2026-10-29",
                "read": "weekly refresh",
                "github": {
                    "stars": 136,
                    "language": "C++",
                    "topics": [
                        "cpp20",
                        "mlir",
                        "mqsc",
                        "mqt",
                        "quantum-compilation",
                        "quantum-intermediate-representation",
                        "tum"
                    ],
                    "pushed": "2026-10-29T01:03:36Z",
                    "licence_detected": "MIT",
                    "description": "MQT Core - Reusable C++20 and Python libraries for quantum computing: the MQT Compiler Collection, built on MLIR and LLVM, together with decision diagrams, QIR execution, QDMI device access, SDK and…",
                    "description_attribution": "The repository maintainers' own description on GitHub.",
                    "source": "GitHub REST API"
                },
                "pypi": {
                    "name": "mqt-core",
                    "version": "4.1.1",
                    "released": "2026-10-13",
                    "source": "PyPI JSON API"
                },
                "zenodo": null
            },
            "sources": [
                {
                    "title": "GitHub repository munich-quantum-toolkit/core",
                    "url": "https://github.com/munich-quantum-toolkit/core",
                    "retrieved": "2026-10-21"
                },
                {
                    "title": "PyPI project mqt-core",
                    "url": "https://pypi.org/project/mqt.core/",
                    "retrieved": "2026-10-21"
                }
            ]
        },
        {
            "id": "mqt-ddsim",
            "name": "MQT DDSIM",
            "category": "simulator",
            "category_label": "Simulator or emulator",
            "organisation": {
                "id": "tum",
                "name": "Technical University of Munich",
                "role": "Developed by",
                "kind": "University",
                "country": "DE",
                "country_name": "Germany",
                "ror": "https://ror.org/02kkvpp62",
                "website": "https://www.tum.de",
                "sources": [
                    {
                        "title": "ROR record: Technical University of Munich",
                        "url": "https://ror.org/02kkvpp62",
                        "retrieved": "2026-10-21"
                    },
                    {
                        "title": "Munich Quantum Toolkit documentation: developed by the Chair for Design Automation at the Technical University of Munich",
                        "url": "https://mqt.readthedocs.io/",
                        "retrieved": "2026-10-21"
                    }
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