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flex

free software alternative to lex
CreativeWork free_software Q1050437
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Summary

flex is a free software[1]. flex ranks in the top 8% of free_software entities by monthly Wikipedia readership (81 views/month).[2]

Key Facts

  • flex authored Vern Paxson[3].
  • flex is the creator of Vern Paxson[4].
  • flex's instance of is recorded as free software[5].
  • flex's instance of is recorded as lexical analyzer generator[6].
  • flex's developer is recorded as Vern Paxson[7].
  • flex's copyright license is recorded as BSD licenses[8].
  • flex's programmed in is recorded as C[9].
  • flex's operating system is recorded as BSD[10].
  • flex's operating system is recorded as GNU/Hurd[11].
  • flex's operating system is recorded as GNU/Linux[12].
  • flex's software version identifier is recorded as 2.5.39[13].
  • flex's software version identifier is recorded as 2.6.0[14].
  • flex's software version identifier is recorded as 2.6.1[15].
  • flex's software version identifier is recorded as 2.6.4[16].
  • flex's software version identifier is recorded as 2.6.3[17].
  • flex's software version identifier is recorded as 2.6.2[18].
  • flex is used for lexical analysis[19].
  • 1987 marks the founding of flex[20].
  • flex's official website is recorded as https://github.com/westes/flex[21].
  • flex's source code repository URL is recorded as https://github.com/westes/flex.git[22].
  • flex's implementation of is recorded as lex[23].
  • flex's copyright status is recorded as copyrighted[24].

Body

Authorship and Creation

flex authored Vern Paxson[3]. flex is the creator of Vern Paxson[4].

Why It Matters

flex ranks in the top 8% of free_software entities by monthly Wikipedia readership (81 views/month).[2] flex has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[25] flex is known by 14 alternative names across languages and contexts.[26]

Related Entities

Biomass BSD Far-infrared Outgoing Radiation Understanding and Monitoring free software GNU/Hurd NetBSD packet filter Vern Paxson

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. [3] ↑ . cvsweb.openbsd.org. cvsweb.openbsd.org. Provenance: wikidata.org.
  4. [4] ↑ . cvsweb.openbsd.org. cvsweb.openbsd.org. Provenance: wikidata.org.
  5. [7] ↑ . cvsweb.openbsd.org. cvsweb.openbsd.org. Provenance: wikidata.org.
  6. [8] ↑ . cvsweb.openbsd.org. cvsweb.openbsd.org. Provenance: wikidata.org.
  7. [9] ↑ . openbsd.su. openbsd.su. Provenance: wikidata.org.
  8. [10] ↑ . Free Software Directory. Retrieved . wikidata.org.
  9. [11] ↑ . Free Software Directory. Retrieved . wikidata.org.
  10. [12] ↑ . Free Software Directory. Retrieved . wikidata.org.
  11. [13] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  12. [14] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [15] ↑ . sourceforge.net. Retrieved . sourceforge.net. Provenance: wikidata.org.
  14. [16] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  15. [17] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  16. [18] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . 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). flex. Retrieved October 16, 2026, from https://4ort.xyz/entity/flex-q1050437
MLA “flex.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/flex-q1050437.
BibTeX @misc{4ortxyz_flex-q1050437_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{flex}}, year = {2026}, url = {https://4ort.xyz/entity/flex-q1050437}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): flex — https://4ort.xyz/entity/flex-q1050437 (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/flex-q1050437 · 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. 14d ago · Tom Morris · 2026-10-05 view diff on Wikidata ↗
    Freebase id → /m/0212_3
    Freebsd port → textproc/flex
    Free software directory entry → —
    Netbsd package id → devel/flex
    + 54 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ Alpine linux package: flex, Matched to [[:toollabs:mix-n-match/#/entry/324991178|flex (#324991178)]] in [[:toollabs:mix-n-match/#/catalog/8507|Alpine Linux package]] #mix'"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.