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GNU gcal

computer program for calculating and printing calendars
CreativeWork computer_program Q3093304
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Summary

GNU gcal is a computer program[1].

Key Facts

  • Creator: Thomas Esken[2]
  • Instance of: GNU package[3], free software[4]
  • Maintained by: Thomas Esken[5], Thorsten Alteholz[6]
  • Developer: GNU Project[7]
  • Copyright license: GNU General Public License v3.0 or later[8], GNU General Public License, version 2.0 or later[9]
  • Operating system: GNU/Linux[10], BSD[11], macOS[12], Unix-like operating system[13]
  • Software version identifier: 3.6.2[14], 4.1.0[15], 4.2.0[16], 0.01[17], 0.19[18]
  • Part of: GNU Project[19]
  • Has use: digital calendar[20]
  • Inception: September 23, 1991[21]
  • Official website: https://www.gnu.org/software/gcal/[22]

Related Entities

BSD free software Giuseppe Scrivano GNU Project macOS Thorsten Alteholz Unix-like operating system

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] ↑ . GNU's Who. Retrieved . gnu.org. Provenance: wikidata.org.
  5. [2] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . GNU Guix. Retrieved . wikidata.org.
  8. [9] ↑ . source code. Retrieved . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . lists.gnu.org. lists.gnu.org. Provenance: wikidata.org.
  14. [15] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  15. [16] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  16. [17] ↑ . source code. Retrieved . wikidata.org.
  17. [18] ↑ . source code. Retrieved . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . source code. Retrieved . wikidata.org.
  21. [22] ↑ . 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). GNU gcal. Retrieved November 2, 2026, from https://4ort.xyz/entity/gnu-gcal
MLA “GNU gcal.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/gnu-gcal.
BibTeX @misc{4ortxyz_gnu-gcal_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GNU gcal}}, year = {2026}, url = {https://4ort.xyz/entity/gnu-gcal}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GNU gcal — https://4ort.xyz/entity/gnu-gcal (retrieved 2026-11-02)

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