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2026

Archived version 1 of 2. This is how the model read before it was corrected. It is shown read only. The current version is here.

Boost Software License 1.0

Also known as BSL-1.0.

Commercial use
allowed
Share alike
not required
Attribution
required (keep the copyright and license notices)
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Canonical URI https://dalicc.net/licenselibrary/BSL-1.0

Permissions

  • Charge distribution fee from the text Charging a fee for the act of providing a copy of the work to someone else.
  • Charge license fee from the text Charging a fee for granting someone a license to the work.
  • Commercial use from the text Using the work to generate income, directly or indirectly, for example by selling it or by using it in advertising.
  • Derivative works from the text Distributing an adaptation of the work and making it available to the public.

    Duties

    • Notice from the text Notice: keeping the license and copyright notices with every copy.
  • Derive from the text Creating a new work from the work, such as a translation, adaptation or arrangement of it or of a part of it.
  • Display from the text Showing the work to the public without making a copy the viewer keeps.
  • Distribute from the text Providing copies of the work to the public or to anyone else.

    Duties

    • Notice from the text Notice: keeping the license and copyright notices with every copy.
  • Modify from the text Altering the work, for example by updating it, without creating a new work; an alteration that creates a new work is Derive.
  • No-warranty notice from the text Attaching a notice that the work is provided without any warranty.
  • Present from the text Performing the work in public, including by broadcast or other communication to the public.
  • Reproduce from the text Making copies of the work in any form.
  • Share alike from the text Adaptations have to be licensed under the same license or one the license names as compatible.

    Duties

    • Notice from the text Notice: keeping the license and copyright notices with every copy.

Prohibitions

  • Add statement from the text Not permitted: Add statement. Attaching terms, notices or statements of one's own to the work or to one's modifications when passing it on.
  • Grant use from the text Not permitted: Grant use. Granting third parties the right to use the work.
  • Promote from the text Not permitted: Promote. Using the name or trademarks of the licensor or of contributors to endorse or promote a product.

License-wide duties

This license states no duties that apply to the work as a whole.

Clauses

Warranty disclaimer

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Info

Target asset types
Software
Region / jurisdiction
Worldwide
Validity
Perpetual
Source
http://opensource.org/licenses/BSL-1.0
Legal code
http://opensource.org/licenses/BSL-1.0
This description is published under
https://dalicc.net/licenselibrary/CC-BY-4.0
Publisher
- not specified -
Attribution name
- not specified -
SPDX identifier
BSL-1.0 on the SPDX license list
DALICC identifier
BSL-1.0

This record is published under CC BY 4.0. Credit it as: DALICC License Library, DALICC - Verein zur Förderung der Rechtssicherheit in der Datenbewirtschaftung, https://dalicc.net, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). The license it describes belongs to its publisher.

History

This license model has 2 versions. Version 2 is the one served today; every earlier version keeps its own address, so a conclusion drawn from one of them can still be checked against it.

  1. Version 2 current2026-09-24 Giray Havur

    The content review of 2026-09-15 added 1 permission, removed 1 permission and 1 prohibition and recorded the review state. Later changes brought it in line with its family and its text in the verification of 2026-09-15, permitted relicensing with the notice as a duty, left endorsement to the default rule of the core dependency graph, recorded which sentence of the text each statement rests on and named the license the record itself is published under.

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    13 changes

    • added dalicc:reviewStatus dalicc:Reviewed

      Review state Every record records how far it has come in the editorial workflow and when it was last checked against the legal text.

    • added dalicc:reviewedOn "2026-09-15"^^xsd:date

      Review state Every record records how far it has come in the editorial workflow and when it was last checked against the legal text.

    • removed permission cc:ShareAlike with duties [cc:Notice]

      Review finding cc:ShareAlike was modelled as a permission carrying a cc:Notice duty. cc:ShareAlike is a duty term: as a permission it means nothing the general grant does not already say, and the dependency graph treats an asserted share-alike as contradicting odrl:grantUse, which is why the record had to prohibit sublicensing to stay consistent. The Boost license imposes no share-alike. Removed. Flagged by the family conventions checked before the review.

    • added permission odrl:grantUse

      Review finding cc:ShareAlike was modelled as a permission carrying a cc:Notice duty. cc:ShareAlike is a duty term: as a permission it means nothing the general grant does not already say, and the dependency graph treats an asserted share-alike as contradicting odrl:grantUse, which is why the record had to prohibit sublicensing to stay consistent. The Boost license imposes no share-alike. Removed. Flagged by the family conventions checked before the review.

    • removed prohibition odrl:grantUse

      Review finding The grant runs "to use, reproduce, display, distribute, execute, and transmit the Software, and to prepare derivative works of the Software, and to permit third-parties to whom the Software is furnished to do so". The record prohibited odrl:grantUse, the exact opposite. Removed the prohibition and added the permission.

    • removed cc:attributionName "- not specified - "

      Manual edit Library conventions 10 and 14: the disclaimer paragraph held the liability sentence, which begins 'IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE', and dct:publisher and cc:attributionName were the placeholder '- not specified - '.

    • added dalicc:LiabilityLimitation "IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE."

      Manual edit Library conventions 10 and 14: the disclaimer paragraph held the liability sentence, which begins 'IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE', and dct:publisher and cc:attributionName were the placeholder '- not specified - '.

    • changed dalicc:WarrantyDisclaimer "THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT."

      was dalicc:WarrantyDisclaimer "THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE."

      Manual edit Library conventions 10 and 14: the disclaimer paragraph held the liability sentence, which begins 'IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE', and dct:publisher and cc:attributionName were the placeholder '- not specified - '.

    • removed dct:publisher "- not specified - "

      Manual edit Library conventions 10 and 14: the disclaimer paragraph held the liability sentence, which begins 'IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE', and dct:publisher and cc:attributionName were the placeholder '- not specified - '.

    • added permission dalicc:ChangeLicense with duties [dalicc:compliantLicense]

      Manual edit Permit relicensing on permissive licences; the notice clause is a duty, not a bar. Library convention 15: a licence that asks for no reciprocity and no source code asks only that the notice travels with the copy, which is a duty on the acts it governs and not a bar on putting the copy under other terms. dalicc:ChangeLicense is therefore a permission here, and the prohibition the record carried before is removed. The text reads: "Permission is hereby granted, free of charge, to any person or organization obtaining a copy of the software ... to use, reproduce, display, distribute, execute, and transmit the Software, and to prepare derivative works of the Software, and to permit third-parties to whom the Software is furnished to do so, all subject to the following: The copyright notices in the Software and this entire statement ... must be included in all copies of the Software." The permission carries the dalicc:compliantLicense duty, as Apache-2.0 does, because the notice has to survive the relicensing.

    • removed prohibition dalicc:promote

      Manual edit The endorsement prohibition rested on no sentence of the text; the default rule for endorsement now supplies it.

    • changed permission dalicc:ChangeLicense with duties [dalicc:compliantLicense]

      was permission dalicc:ChangeLicense with duties [dalicc:compliantLicense]

      Manual edit The statement is marked as a library convention, family rule 15: Permissive records permit relicensing: the text does not state it in as many words. Its duty dalicc:compliantLicense is marked as a library convention, family rule 15: Permissive records permit relicensing.

    • added dct:license <https://creativecommons.org/licenses/by/4.0/>

      Manual edit Every record is published under CC BY 4.0. cc:license names the record DALICC keeps of that licence; dct:license now names it by the address Creative Commons publishes it at, so that a consumer matching the canonical IRI finds it.

  2. Version 1

    The version this model had before the content review of 2026-09-15.

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Every change names the reason behind it: a finding of the content review, one of its library-wide decisions, the metadata that review wrote onto every record, or a hand edit. None of it is legal advice.

Nothing on this page is legal advice. What a license means is decided by its text; ask a legal advisor before you rely on it.