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Software, {{Vague|date=October 2024|text=mainly produced by European administrations}}{{cn|date=October 2024}}, has been licensed under the EUPL<ref>{{Cite web |url=https://joinup.ec.europa.eu/interoperability/search |title=Joinup forge |access-date=2016-04-04 |archive-url=https://web.archive.org/web/20160404085128/https://joinup.ec.europa.eu/interoperability/search |archive-date=2016-04-04 |url-status=dead }}</ref> since the launch of the European [[Open Source Observatory and Repository]] (OSOR) in October 2008, now part of [[Joinup collaboration platform|Joinup]] collaborative platform.<ref>{{Cite web |url=https://joinup.ec.europa.eu/page/osor.eu |title=Osor.eu migration |access-date=2012-06-13 |archive-date=2012-06-10 |archive-url=https://web.archive.org/web/20120610181410/https://joinup.ec.europa.eu/page/osor.eu |url-status=dead }}</ref>
Software has been licensed under the EUPL<ref>{{Cite web |url=https://joinup.ec.europa.eu/interoperability/search |title=Joinup forge |access-date=2016-04-04 |archive-url=https://web.archive.org/web/20160404085128/https://joinup.ec.europa.eu/interoperability/search |archive-date=2016-04-04 |url-status=dead }}</ref> since the launch of the European [[Open Source Observatory and Repository]] (OSOR) in October 2008, now part of [[Joinup collaboration platform|Joinup]] collaborative platform.<ref>{{Cite web |url=https://joinup.ec.europa.eu/page/osor.eu |title=Osor.eu migration |access-date=2012-06-13 |archive-date=2012-06-10 |archive-url=https://web.archive.org/web/20120610181410/https://joinup.ec.europa.eu/page/osor.eu |url-status=dead }}</ref> Although private individuals can utilize the EUPL, its primary users to date have been governments, administrations, and local authorities.<ref>{{Cite web |last=SCHMITZ |first=Patrice-Emmanuel |date=2009-08-24 |title=EUPL or GPLv3? A comparison t… {{!}} Interoperable Europe Portal |url=https://interoperable-europe.ec.europa.eu/collection/eupl/news/eupl-or-gplv3-comparison-t |access-date=2024-11-28 |website=interoperable-europe.ec.europa.eu |language=en}}</ref>


==History==
==History==

Revision as of 14:21, 28 November 2024

European Union Public Licence
AuthorEuropean Commission
Latest version1.2
PublisherEuropean Union
PublishedJanuary 2007 (v 1.0), May 2017 (v 1.2)
SPDX identifierEUPL-1.0, EUPL-1.1, EUPL-1.2
Debian FSG compatibleYes[1]
FSF approvedYes[2][3]
OSI approvedYes[4]
GPL compatibleYes, by licensing derivatives that include GPL covered code[2][3]
CopyleftYes[2][3]
Linking from code with a different licenceYes, as it depends on the applicable copyright law in the European Union country where the Licensor resides or has his or her registered office for defining what qualifies as a derivative work.[5]
Websitejoinup.ec.europa.eu/page/eupl-guidelines-faq-infographics Edit this at Wikidata

The European Union Public Licence (EUPL) is a free software licence that was written and approved by the European Commission. The licence is available in 23 official languages of the European Union. All linguistic versions have the same validity. Its latest version, EUPL v1.2, was published in May 2017. Revised documentation for v1.2 was issued in late‑2021.[6]

Software has been licensed under the EUPL[7] since the launch of the European Open Source Observatory and Repository (OSOR) in October 2008, now part of Joinup collaborative platform.[8] Although private individuals can utilize the EUPL, its primary users to date have been governments, administrations, and local authorities.[9]

History

EUPL was originally intended to be used for the distribution of software developed in the framework of the IDABC programme,[10] given its generic scope it was also suitable for use by any software developer. Its main goal is its focusing on being consistent with the copyright law in the Member States of the European Union, while retaining compatibility with popular free software licences such as the GNU General Public License. The first IDABC software packages mentioned are CIRCA groupware,[11] IPM[12][13] and the eLink[14] G2G, G2C, G2B specification software.

Comparison to other open source/free software licences

EUPL is the first open source licence to be released by an international governing body. A goal of this licence is to create an open-source licence available into 23 official languages of the European Union,[15] and that is sure to conform to the existing copyright laws of the Member States of the European Union.

The licence was developed with other open-source licences in mind and specifically authorizes covered works to be re-released under the following licences, when combined with their covered code in larger works:

Explicit license compatibility Added in version
GNU General Public License (GPL) v. 2 & v. 3 GPL v3 added in EUPL v1.2
Open Software License (OSL) v. 2.1, v. 3.0 EUPL v1.0
Common Public License v. 1.0 EUPL v1.0
Eclipse Public License v. 1.0 EUPL v1.0
CeCILL v. 2.0 & V 2.1 EUPL v1.0
Mozilla Public License v. 2 EUPL v1.2
LGPL v2.1 & V3 EUPL v1.2
LiLIQ-R & LiLIQ-R+ EUPL v1.2
GNU Affero General Public License (AGPL) v. 3 EUPL v1.2

Many other OSI-approved licences are compatible with the EUPL: JOINUP publish a general compatibility matrix between all OSI-approved licences and the EUPL.[16]

An overview of the EUPL licence and on what makes it different has been published in OSS-Watch.[17]

In 2020, the European Commission publishes its Joinup Licensing Assistant,[18] which makes possible the selection and comparison of more than 50 licences, with access to their SPDX identifier and full text.

Versions

EUPL v1.0 was approved on 9 January 2007.[19]

EUPL v1.1 was approved by the European Commission on 9 January 2009. EUPL v1.1 is OSI certified as from March 2009.[20]

EUPL v1.2 was published in May 2017.[21] EUPL v1.2 is OSI certified in July 2017.[20]

Version 1.2

The EUPL v1.2 was prepared as from June 2013[22] its decision process started in 2016 and [23] released on 19 May 2017. A principal objective of the EUPL v1.2 is to update the appendix of compatible licences to cover newer popular licences such as the GNU GPLv3 and AGPLv3.[23]

According to the EUPL v.1.1, the European Commission may publish other linguistic versions and/or new versions of the EUPL, so far this is required and reasonable, without reducing the scope of the rights granted by the Licence. Future upgrades will not be applicable automatically when software was expressly released "under the EUPL v.1.1 only".[24]

New provisions cover the Application service provider loophole of software distribution: Distribution and/or Communication (of software) includes providing on-line "access to its essential functionalities".[25]

An important characteristic of the EUPL v1.2 is that, unlike the GPL, it is compatible with all other reciprocal licenses listed in the EUPL appendix. Compatibility means that after merging the covered code with code covered by a compatible license, the resulting (combined) derivative work can be distributed under the compatible license.

Another characteristic of the EUPL is that it is interoperable, without any "viral effect" in case of static and dynamic linking.[26] This currently depends on European and national law, according to the Computer Programs Directive (Directive 91/250 EEC or 2009/24). Recital 10 of this Directive defines interoperability and recital 15 states that for making two programs interoperable, the code needed can be copied, translated or adapted. For example, take program A (new original code just written) and program B (a program licensed by a third party), the developer/licensor of A, who is also a legitimate holder or recipient of B may reproduce in A the needed code from B (e.g. the APIs or the needed data structures from program B) without copyright infringement and without authorization from the copyright holder of B. The licensor of A can do and distribute this without being bonded by conditions or limitations imposed by a licence of program B. This must stay compatible with the normal use of program B and cannot prejudice the legitimate interest of the copyright holder of B.

Unlike the "articles", the directive "recitals" are not transposed as such in national laws. However, recitals are part of European law: they are serving for understanding the scope and rationale of the law, and will be used by the court for interpreting the law, as the case may be. While recitals in EU Directives and Regulations are not considered to have independent legal value, they can expand an ambiguous provision's scope. They cannot restrict an unambiguous provision's scope, but they can be used to determine the nature of a provision, or to adapt it to new circumstances.

Interoperability

It is important to make a distinction between the various flavours of the “Strong Copyleft” concept. According to the GPL/AGPL licensor vision, this means some restrictions and conditions regarding interoperability (due to the theory that linking other software with the covered code creates a combined derivative) and regarding compatibility (since no derivative could be licensed under another license, which may create incompatibilities). The EUPL vision that is depending on the EU law is all the contrary: linking makes no derivatives and when merging source code licensed differently is a necessity, the resulting derivative can be licensed under a compatible license. For some of those, the copyleft is known to be “weaker” (i.e. the MPL), but this has no impact because according to the EUPL the compatible license will prevail when its provisions conflict with those of the EUPL. Since none of the compatible license prohibits the strong reciprocity implemented by the EUPL (obligation to publish and share the source code of derivatives, even distributed through a network) the copyleft resulting from the EUPL can be considered as strong. For this reason, the German lawyer Niklas Plutte created for the EUPL the new category of "Interoperable copyleft licence".[27]

Philosophy

In November 2023, a discussion paper, "The seven pillars of wisdom", published in the framework of the adoption of the Interoperable Europe Act, was proposed for discussion by the writing author of the EUPL-1.2 and explains the philosophy behind the EUPL text.[28]

Member states policies

As from 2010, EU member states adopt or revise policies aimed to encourage – when appropriate – the open source distribution of public sector applications. The EUPL is formally mentioned in some of these policies:

See also

References

  1. ^ "ausweisapp2 in Debian Package Tracker". Debian Package Tracker. Retrieved 3 January 2020.
  2. ^ a b c Donald Robertson (26 June 2018). "European Union Public License v. 1.2 added to license list". Free Software Foundation. Retrieved 2 August 2018.
  3. ^ a b c "Various Licenses and Comments about Them". The GNU Operating System and the Free Software Movement. 26 June 2018. Retrieved 2 August 2018.
  4. ^ OSI approval published on Joinup
  5. ^ "EUPL 1.1" (PDF).
  6. ^ Schmitz, Patrice-Emmanuel (30 September 2021). European Union Public Licence (EUPL) Guidelines July 2021 — NO-08-21-281-EN-N. Brussels, Belgium: Directorate-General for Informatics, European Commission. doi:10.2799/77160. ISBN 978-92-76-41527-5. Landing page.
  7. ^ "Joinup forge". Archived from the original on 2016-04-04. Retrieved 2016-04-04.
  8. ^ "Osor.eu migration". Archived from the original on 2012-06-10. Retrieved 2012-06-13.
  9. ^ SCHMITZ, Patrice-Emmanuel (2009-08-24). "EUPL or GPLv3? A comparison t… | Interoperable Europe Portal". interoperable-europe.ec.europa.eu. Retrieved 2024-11-28.
  10. ^ Overview of the IDABC project.
  11. ^ CIRCA groupware
  12. ^ IPM technical architecture
  13. ^ IPM EUPL
  14. ^ eLink
  15. ^ - European Union Public License[permanent dead link‍]
  16. ^ Matrix of EUPL compatible licences
  17. ^ The EUPL - An Overview by Rowan Wilson, last updated 9 September 2012 (EUPL v1.1 only)
  18. ^ "Joinup Licensing Assistant". Retrieved 31 March 2020.
  19. ^ EUPL v1.0 was published on 9 January 2007
  20. ^ a b "Introduction to the EUPL licence | Joinup". joinup.ec.europa.eu. Retrieved 2017-11-20.
  21. ^ "Commission Implementing Decision (EU) 2017/863".
  22. ^ "Public Consultation on the draft EUPL v 1.2 has been fruitful". 20 March 2013. Retrieved 3 December 2015.
  23. ^ a b "Public Consultation on the draft EUPL v1.2". Archived from the original on 24 December 2015. Retrieved 3 December 2015.
  24. ^ "Understanding the EUPL v1.2 | Joinup". Archived from the original on 2017-12-01. Retrieved 2017-11-27.
  25. ^ See Article 1 of the EUPL 1.2 last subpoint, definition of ‘Distribution’ and ‘Communication’.
  26. ^ License compatibility in the case of static and dynamic linking.
  27. ^ "Open Source Software Recht: Große FAQ mit vielen Praxistipps". 10 November 2019. Retrieved 31 March 2020.
  28. ^ Schmitz, Patrice-Emmanuel (23 November 2023). "The seven pillars of wisdom" (PDF). Joinup. Retrieved 25 March 2024.
  29. ^ Schmitz, Patrice-Emmanuel (3 December 2021). "The EUPL is a 'Legal Licence' in France". Joinup. Retrieved 6 December 2021.
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