libpng

free software library
Place software_library Q838041
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libpng

Summary

libpng is a software library[1]. libpng draws 25 Wikipedia views per month (software_library category, ranking #58 of 200).[2]

Key Facts

  • libpng's instance of is recorded as software library[3].
  • libpng's instance of is recorded as free software[4].
  • libpng's developer is recorded as Greg Roelofs[5].
  • libpng's copyright license is recorded as zlib License[6].
  • libpng's copyright license is recorded as Libpng License[7].
  • libpng's programmed in is recorded as Q15777[8].
  • libpng's operating system is recorded as Unix-like operating system[9].
  • libpng's software version identifier is recorded as 1.6.21[10].
  • libpng's software version identifier is recorded as 1.6.25[11].
  • libpng's software version identifier is recorded as 1.6.26[12].
  • libpng's software version identifier is recorded as 1.6.27[13].
  • libpng's software version identifier is recorded as 1.6.30[14].
  • libpng's software version identifier is recorded as 1.6.35[15].
  • libpng's software version identifier is recorded as 1.6.36[16].
  • libpng's software version identifier is recorded as 1.6.37[17].
  • libpng's software version identifier is recorded as 0.6[18].
  • libpng's software version identifier is recorded as 1.6.38[19].
  • libpng's software version identifier is recorded as 1.6.39[20].
  • libpng's software version identifier is recorded as 1.6.40[21].
  • libpng's software version identifier is recorded as 1.6.41[22].
  • libpng's software version identifier is recorded as 1.6.42[23].
  • libpng's software version identifier is recorded as 1.6.43[24].
  • libpng's software version identifier is recorded as 1.6.44[25].
  • libpng's software version identifier is recorded as 1.6.45[26].
  • libpng's software version identifier is recorded as 1.6.46[27].

Body

Designation and Status

Recorded instance of include software library[3] and free software[4].

Why It Matters

libpng draws 25 Wikipedia views per month (software_library category, ranking #58 of 200).[2] libpng has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[28] libpng is known by 4 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Open Hub. Retrieved . openhub.net. Provenance: wikidata.org.
  6. [8] ↑ . Open Hub. Retrieved . openhub.net. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . sourceforge.net. Retrieved . sourceforge.net. Provenance: wikidata.org.
  9. [11] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  10. [12] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  11. [13] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  12. [14] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  13. [15] ↑ . libpng.org. libpng.org. Provenance: wikidata.org.
  14. [16] ↑ . libpng.org. Retrieved . libpng.org. Provenance: wikidata.org.
  15. [17] ↑ . libpng.org. libpng.org. Provenance: wikidata.org.
  16. [18] ↑ . libpng.org. libpng.org. Provenance: wikidata.org.
  17. [19] ↑ . libpng.org. libpng.org. Provenance: wikidata.org.
  18. [20] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  19. [21] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  20. [22] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  21. [23] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  22. [24] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  23. [25] ↑ . sourceforge.net. Retrieved . sourceforge.net. Provenance: wikidata.org.
  24. [26] ↑ . sourceforge.net. sourceforge.net. Provenance: wikidata.org.
  25. [27] ↑ . sourceforge.net. Retrieved . sourceforge.net. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . Wikidata aliases. 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. Retrieved October 2, 2026, from https://4ort.xyz/entity/libpng
MLA “libpng.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/libpng.
BibTeX @misc{4ortxyz_libpng_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{libpng}}, year = {2026}, url = {https://4ort.xyz/entity/libpng}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): libpng — https://4ort.xyz/entity/libpng (retrieved 2026-10-02)

Canonical URL: https://4ort.xyz/entity/libpng · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 3d ago · MichielN · 2026-10-01 view diff on Wikidata ↗
    Wikipedia languages → ['bar', 'cs', 'de', 'en', 'es', 'fa', 'it', 'ja', 'ko', 'pl', 'ru', 'th', 'uk']
    Sitelink count → 13
    Software version identifier → 1.6.21, 1.6.25, 1.6.26 +28
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ [[Property:P348]]: 1.6.59"
  2. 10w ago · Avayak · 2026-07-21 view diff on Wikidata ↗
    Developer → Greg Roelofs
    License → —
    Instance of → —
    Instance of → software library, free software
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P856]]: https://libpng.org/pub/png/libpng.html"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.