Hi, this idea was inspired by https://github.com/NuGet/Home/issues/4628#issuecomment-411503940
It is a common situation that some project allows for multiple alternative licenses, some of them are "free" and expressible via SPDX, while others of them are proprietary. Currently, this cannot be expressed well with SPDX license expressions. As the free licenses are always a legitimate choice for the users and redistributors of those packages, I propose that to this express via a special (reserved) identifier "CustomAlternateLicensing". This identifier would just codify the fact that there exist more alternative licenses (which cannot be covered via SPDX), but not make any assumptions about the intent and nature of those licenses (proprietary, or exotic "free" licenses, or whatever). For example: - AGPL-3.0-only OR CustomAlternateLicensing - MPL-2.0 OR LGPL-2.0 OR CustomAlternateLicensing - (GPL-2.0 WITH Classpath-exception-2.0) OR CustomAlternateLicensing We might allow CustomAlternateLicensing on its own for a package which only has proprietary / unknown licenses, just to express the fact that it's an unknown license. However, I tend to forbid cases like the following, because there's no alternative which contains only well-known licenses, so they cannot be automatically evaluated whether they're allowed or not in a given context: - GPL-3.0 AND CustomAlternateLicensing - Apache-2.0 WITH CustomAlternateLicensing Thanks & Best regards Markus Schaber CODESYS(r) a trademark of 3S-Smart Software Solutions GmbH Inspiring Automation Solutions 3S-Smart Software Solutions GmbH Dipl.-Inf. Markus Schaber | Product Development Core Technology Memminger Str. 151 | 87439 Kempten | Germany Tel. +49-831-54031-979 | Fax +49-831-54031-50 E-Mail: [email protected] | Web: http://www.codesys.com | CODESYS store: http://store.codesys.com CODESYS forum: http://forum.codesys.com Managing Directors: Dipl.Inf. Dieter Hess, Dipl.Inf. Manfred Werner | Trade register: Kempten HRB 6186 | Tax ID No.: DE 167014915 This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#2359): https://lists.spdx.org/g/Spdx-legal/message/2359 Mute This Topic: https://lists.spdx.org/mt/24237732/21656 Group Owner: [email protected] Unsubscribe: https://lists.spdx.org/g/Spdx-legal/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
