The legal tools of the 20th century are failing the technological realities of the 21st. Existing licenses are ill-equipped for artificial intelligence, planetary-scale surveillance, decentralized systems, and the existential risks of unaccountable technology. The MitsuoLabs™ Legal Framework was created to fill this void.
It is not merely a set of licenses; it is a moral and legal operating system designed to ensure that the technologies that shape our future are bound by principles of justice, stewardship, and human dignity. It is for builders who recognize that invention without stewardship is negligence, and for communities that demand a more equitable and resilient digital commons.
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For the Principled Startup: Build a competitive moat based on ethics and trust. The MRSL-1.0 signals your commitment to responsible innovation, while the MMPEULA-1.0 provides the professional-grade legal armor you need to commercialize with confidence.
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For the Open-Source Maintainer: Protect your work from exploitation. The MRSL-1.0’s reciprocity clauses ensure that derivatives of your project remain open, while the optional Stewardship Rider provides a path to legal protection and sustainability that older licenses lack.
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For the Enterprise Legal Team: Mitigate future risk with unparalleled clarity. The MMPEULA's axiomatic structure and the framework's future-proof provisions provide a stable, predictable, and defensible foundation for deploying and managing software in a volatile technological landscape.
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For the Scholar and Activist: This is more than a license; it's a field of study. The framework’s detailed documentation, ethical covenants, and academic-grade comparative analysis make it a powerful tool for researching, teaching, and advocating for a more just digital world.
The framework’s core innovation is its dual-license structure, which cleanly separates the governance of source code from the governance of compiled binaries. This provides both maximum freedom and maximum legal robustness.
[ SOURCE CODE ]
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(Governed by MRSL-1.0)
(Freedom & Ethics)
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compiles
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v
[ EXECUTABLE BINARY ]
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(Governed by MMPEULA-1.0)
(Professional & Commercial Use)
This symbiosis allows a project to be both truly FOSS at its foundation and commercially sound in its distribution.
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A Revolutionary Ethical Bargain: The optional Stewardship Rider allows contributors to adopt an Ethical Use Covenant in exchange for powerful legal protections, including patent indemnification.
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Unprecedented Legal Clarity: The MMPEULA is organized into meticulous "Axioms" that replace legal ambiguity with engineering precision, providing a stable foundation for B2B transactions.
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The Alexandria Clause: A binding commitment to the long-term, durable preservation of the legal texts and source code in the world's most respected archives.
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Future-Proof by Design: Explicitly engineered to govern emerging technologies, with unique protocols for Extraordinary Scenarios like temporal anomalies or contact with non-human intelligence.
This framework is animated by the non-binding Declaration of Modern Days — V1 (2026). These are the guiding stars for the legal engineering of the entire system.
1. Stewardship of Life. Design decisions must account for ecological limits. Regeneration, not extraction, is our baseline.
8. Safety and Duty to Repair. We accept moral responsibility for harms. Preserve evidence, report transparently, remediate swiftly, and compensate where appropriate. Concealment is a breach.
32. The Duty to Act (Against Omission). We reject the sin of omission. Knowing of a harm and failing to act is complicity. Silence is not neutrality; it is a choice.
This framework is a scholarly resource. The docs/ directory contains extensive comparative analysis of the MRSL-1.0 against dozens of other major open-source and ethical-source licenses. The meticulous structure of the licenses is designed to be studied, debated, and built upon, serving as a rich case study in modern legal engineering.
This project is committed to extreme operational resilience and long-term preservation.
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Redundant, Mirrored Development: This repository is continuously mirrored between GitHub and GitLab. Our CI/CD pipeline automates this mirroring, ensuring the project is not dependent on a single commercial entity.
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The Alexandria Clause: In accordance with Section 19 of the MRSL-1.0, we submit every major release to a distributed network of the world’s most respected archival institutions, including Software Heritage, the Internet Archive, the Bodleian Libraries at Oxford, Harvard & Yale Law Libraries, IPFS, and a Tor Onion Service.
For full details, see the PRESERVATION.md file.
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Adopt the Ethical Foundation (MRSL-1.0):
- To guarantee your source code remains free and ethically bound, place the
mrsl-1.0.txtfile in your repository asLICENSE. - Use the templates in the MRSL-1.0 Appendices to create your
CONTRIBUTING.mdandSTEWARD.mdfiles.
- To guarantee your source code remains free and ethically bound, place the
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Distribute with Professional Confidence (MMPEULA-1.0):
- To distribute your compiled software with professional-grade legal protection, use
mmpeula-1.0.txtas your EULA template. - Implement the MitsuoLabs™ Acceptance Protocol (Appendix 1) in your installer to ensure robust, documented consent.
- To distribute your compiled software with professional-grade legal protection, use
This is more than a repository; it's the beginning of a movement to build a more responsible technological future. We welcome contributions, from legal analysis to documentation improvements.
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Contribute: Please review the CONTRIBUTING.md file for details on how to submit a pull request.
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Discuss: For questions, legal notices, or inquiries regarding the canonical license texts, please contact the steward of the licenses: