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Libpng License

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Libpng License

Summary

Libpng License is a permissive free software license[1].

Key Facts

  • Libpng License's instance of is recorded as permissive free software license[2].
  • Libpng License's based on is recorded as zlib License[3].
  • Libpng License's approved by is recorded as Q48413[4].
  • Libpng License's approved by is recorded as Debian Free Software Guidelines[5].
  • Libpng License's approved by is recorded as Open Source Initiative[6].
  • Libpng License's work available at URL is recorded as http://www.libpng.org/pub/png/src/libpng-LICENSE.txt[7].
  • Libpng License's short name is recorded as Libpng[8].
  • Libpng License's SPDX license ID is recorded as Libpng[9].
  • Libpng License's Google Knowledge Graph ID is recorded as /g/11bc6wwn6w[10].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . SPDX License List. Retrieved . spdx.org. Provenance: wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Libpng License. Retrieved May 3, 2026, from https://4ort.xyz/entity/libpng-license
MLA “Libpng License.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/libpng-license.
BibTeX @misc{4ortxyz_libpng-license_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Libpng License}}, year = {2026}, url = {https://4ort.xyz/entity/libpng-license}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Libpng License — https://4ort.xyz/entity/libpng-license (retrieved 2026-05-03)

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