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| eupl [2026-09-29 11:29] – nik | eupl [2026-09-29 12:04] (current) – nik |
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| The EUPL (European Union Public Licence) is a copyleft open-source licence initiated by the European Commission, available in 23 official linguistic versions. It is OSI-certified and recognised by the Free Software Foundation as a free software licence. | The EUPL (European Union Public Licence) is a copyleft open-source licence initiated by the European Commission, available in 23 official linguistic versions. It is OSI-certified and recognised by the Free Software Foundation as a free software licence. |
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| Official Licence of the European Union (EC Decision, part of European law). The licence is interoperable (no restrictions on linking in order to facilitate the integration of multiple components), reciprocal (third parties distributing improvements or derivatives must publish and provide back the modified source code), share alike and compatible: no global relicensing permitted, but the source code could be reused in other projects under "similar" copyleft or weakly (moderately) copyleft licenses GPL/AGPL, EPL, LGPL, MPL, OSL, CeCILL, LiLiQ. EUPL covers SaaS / network distribution. EUPL covers "the Work" (software and ancillary data). Original in 23 EU languages. Replaces EUPL-1.1 for works "Licensed under the EUPL" without specifying licence version, or adding "or later". Applicable law and court: licensor seat in EU (or specific additional agreement), otherwise Belgium. Support from the Interoperable Europe Portal community. Free legal support provided. | Official Licence of the European Union (EC Decision, part of European law). The licence is interoperable (no restrictions on linking in order to facilitate the integration of multiple components), reciprocal (third parties distributing improvements or derivatives must publish and provide back the modified source code), share alike and compatible: no global relicensing permitted, but the source code could be reused in other projects under "similar" copyleft or weakly (moderately) copyleft licenses GPL/AGPL, EPL, LGPL, MPL, OSL, CeCILL, LiLiQ. EUPL covers SaaS / network distribution. EUPL covers "the Work" (software and ancillary data). Original in 23 EU languages. Applicable law and court: licensor seat in EU (or specific additional agreement), otherwise Belgium. Support from the Interoperable Europe Portal community. Free legal support provided. |
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| via [[https://interoperable-europe.ec.europa.eu/collection/eupl/documentation-repository][Introduction to the EUPL licence]] and https://eupl.eu/ | |
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| | via [[https://interoperable-europe.ec.europa.eu/collection/eupl/documentation-repository|Introduction to the EUPL licence]] and https://eupl.eu/ |
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| Reading | Reading |
| * [[https://interoperable-europe.ec.europa.eu/collection/eupl/news/understanding-eupl-v12][Understanding the EUPL v1.2]] | * [[https://interoperable-europe.ec.europa.eu/collection/eupl/news/understanding-eupl-v12|Understanding the EUPL v1.2]] |
| * https://spdx.org/licenses/EUPL-1.2.html | * [[https://spdx.org/licenses/EUPL-1.2.html|SPDX]] |
| - [[https://bergie.iki.fi/blog/eupl/][I changed my license]] | * [[https://bergie.iki.fi/blog/eupl/|I changed my license]] (to EUPL) |
| | * [[https://ploum.net/2024-07-01-opensource_sustainability.html|On Open Source and the Sustainability of the Commons]] (AGPL) |
