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Qt (software)

object-oriented framework for GUI creation
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Qt (software)

Summary

Qt (software) is an application framework[1]. Qt (software) has Wikipedia articles in 45 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Qt (software) is the creator of Haavard Nord[3].
  • Qt (software) is the creator of Eirik Chambe-Eng[4].
  • Qt (software)'s instance of is recorded as application framework[5].
  • Qt (software)'s instance of is recorded as widget toolkit[6].
  • Qt (software)'s instance of is recorded as software library[7].
  • Qt (software)'s instance of is recorded as free software[8].
  • Qt (software)'s instance of is recorded as computing platform[9].
  • Qt (software)'s founder is recorded as Haavard Nord[10].
  • Qt (software)'s founder is recorded as Eirik Chambe-Eng[11].
  • Qt (software)'s maintained by is recorded as Volker Hilsheimer[12].
  • Emacs is named after Qt (software)[13].
  • X Toolkit Intrinsics is named after Qt (software)[14].
  • Qt (software)'s developer is recorded as Qt Project[15].
  • Qt (software)'s developer is recorded as Qt Group Plc[16].
  • Qt (software)'s copyright license is recorded as GNU Lesser General Public License, version 3.0[17].
  • Qt (software)'s copyright license is recorded as GNU General Public License, version 2.0[18].
  • Qt (software)'s copyright license is recorded as GNU General Public License, version 3.0[19].
  • Qt (software)'s programmed in is recorded as Q2407[20].
  • Qt (software)'s operating system is recorded as Q3251801[21].
  • Qt (software)'s operating system is recorded as Microsoft Windows[22].
  • Qt (software)'s operating system is recorded as macOS[23].
  • Qt (software)'s operating system is recorded as BSD[24].
  • Qt (software)'s operating system is recorded as Android[25].
  • Qt (software)'s operating system is recorded as iOS[26].
  • Qt (software)'s operating system is recorded as cross-platform[27].

Body

Definition and Type

Recorded instance of include application framework[5], widget toolkit[6], software library[7], free software[8], and computing platform[9].

Origins

Things named after include Emacs[13], a software category[28], founded in 1976[29] and X Toolkit Intrinsics[14], a software library[30]. Founders include Haavard Nord[10] and Eirik Chambe-Eng[11].

Why It Matters

Qt (software) has Wikipedia articles in 45 language editions, a strong signal of global cultural recognition.[2] Qt (software) is known by 26 alternative names across languages and contexts.[31]

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [9] ↑ . wikidata.org.
  6. [10] ↑ . my.safaribooksonline.com. my.safaribooksonline.com. Provenance: wikidata.org.
  7. [11] ↑ . my.safaribooksonline.com. my.safaribooksonline.com. Provenance: wikidata.org.
  8. [12] ↑ . wikidata.org.
  9. [13] ↑ . wikidata.org.
  10. [14] ↑ . wikidata.org.
  11. [3] ↑ . wikidata.org.
  12. [4] ↑ . wikidata.org.
  13. [15] ↑ . qt-project.org. qt-project.org. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . Free Software Directory. Retrieved . trolltech.com. Provenance: wikidata.org.
  16. [18] ↑ . Free Software Directory. Retrieved . wikidata.org.
  17. [19] ↑ . Free Software Directory. Retrieved . wikidata.org.
  18. [20] ↑ . Open Hub. Retrieved . openhub.net. Provenance: wikidata.org.
  19. [21] ↑ . Free Software Directory. Retrieved . wikidata.org.
  20. [22] ↑ . Free Software Directory. Retrieved . wikidata.org.
  21. [23] ↑ . Free Software Directory. Retrieved . wikidata.org.
  22. [24] ↑ . Free Software Directory. Retrieved . wikidata.org.
  23. [25] ↑ . Free Software Directory. Retrieved . wikidata.org.
  24. [26] ↑ . Free Software Directory. Retrieved . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [30] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [31] ↑ . 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). Qt (software). Retrieved October 2, 2026, from https://4ort.xyz/entity/qt-software-
MLA “Qt (software).” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/qt-software-.
BibTeX @misc{4ortxyz_qt-software-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Qt (software)}}, year = {2026}, url = {https://4ort.xyz/entity/qt-software-}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Qt (software) — https://4ort.xyz/entity/qt-software- (retrieved 2026-10-02)

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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. 1d ago · Lokiretro · 2026-10-02 view diff on Wikidata ↗
    Sitelink count → 54
    Wikipedia languages → ['ar', 'az', 'azb', 'bg', 'ca', 'cs', 'de', 'el', 'en', 'es', 'et', 'eu', 'fa',
    Gnd id → 1121608272
    Software version identifier → 5.5.0, 5.5.1, 5.6.0 +110
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P348]]: 6.12"
  2. 16w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Svkkl authority id → 0330549-Qt-knihovna
    "/* wbcreateclaim-create:1| */ [[Property:P9322]]: 0330549-Qt-knihovna, [[:toollabs:quickstatements/#/batch/259494|batch #259494]]"
  3. 16w ago · MsynBot bot · 2026-06-10 view diff on Wikidata ↗
    Irc channel url → irc://irc.freenode.net/qt, irc://irc.freenode.net/qt-labs
    Alternativeto software id → qt
    Founder → Haavard Nord, Eirik Chambe-Eng
    Zhihu topic id → 19557800
    + 65 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-rank:1||1 */ [[Property:P856]]: https://www.qt.io, remove unnecessary use of preferred rank #msynbotTask13"
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