[License-review] Submission for review of Mulan Public License，Version 2

[江波]

Hi Community,




I hope this message finds you well. My name is Nadia, and I represent KAIYUANSHE as the OSI Affiliate Member. 




I am reaching out to formally submit a new license, the Mulan Public Open Source License, for OSI approval. Below is a concise overview of the license.




Overview:

The Mulan Public License (Mulan PubL) belongs to the Mulan Open Source License family (https://license.coscl.org.cn/). Previously, the Mulan PSL v2 under the Mulan Open Source License family was OSI-approved in 2020. Mulan PubL v2 builds upon Mulan PSL v2 by adding copyleft provisions, restricting distribution conditions for emerging technologies like SaaS.

Mulan PubL v2 stipulates that for "contributions" received, the license must be perpetuated for subsequent distributions. For "derivative works," not only must the license be maintained, but the source code download link for the "derivative work" must also be prominently provided for a period of 3 years.







The differences between Mulan PubL v2 and mainstream licenses revolve around differences in distribution restrictions:

GPL:

Distribute with the license, retaining disclaimers and other statements.

Distribute the modified version with a clear statement of the modified file with the date; if your modified program interacts with the user in the form of commands at runtime, the copyright and other notices must be displayed at the beginning of the program runtime.

Provide complete and easily compilable source code at the time of distribution.

Abandon distribution if you cannot comply with the conditions of this license.

Mulan PubL v2:

Distribute with the license, retaining disclaimers and other statements.

For “Contributions” received, the license must be retained for secondary distribution. For “Derivative Works”, a copy of this License must be provided, and the download address of the corresponding source code of the “Derivative Works” must be provided in a conspicuous place, with a constraint validity period of 3 years.

Provide recipients with a written offer indicating your willingness to provide the Corresponding Source Code of the Derivative Work licensed under this License. Such written offer shall be placed prominently in the Derivative Work or its accompanying documents. Without reasonable excuse, the recipient shall be able to acquire the Corresponding Source code of the Derivative work for no more than three months from your receipt of a valid request, and be valid no less than three years from your Distribution of the particular Derivative Work.




Key Features of Mulan PubL v2:

Dual Chinese and English language provisions with equal legal standing.

Adherence to concise language principles for enhanced comprehension.

Explicit granting of copyright and patent rights, excluding trademark rights.

Imposition of restrictive distribution conditions for open-source software; conditional restrictions on distribution for cloud computing and SaaS.




Mulan PubL v2 was released in May 2021 with version 2.0. Currently, 94 Chinese open-source projects support MulanPubL-2.0, with over 1.4K code repository applications. Notable applications include OceanBase (https://github.com/oceanbase/oceanbase).




Here is the full text of the Mulan Public License, Version 2: http://license.coscl.org.cn/MulanPubL-2.0




I am eager to engage in further discussions with the OSI community regarding this submission.







Best regards,

Nadia Jiang
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