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Apache ZooKeeper

system for distributed coordination
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Apache ZooKeeper

Summary

Apache ZooKeeper is a free software[1]. It ranks in the top 7% of free_software entities by monthly Wikipedia readership (128 views/month).[2]

Key Facts

  • Apache ZooKeeper's instance of is recorded as free software[3].
  • Apache ZooKeeper's instance of is recorded as Apache Software Foundation project[4].
  • Apache ZooKeeper's instance of is recorded as key–value database system[5].
  • Apache ZooKeeper's logo image is recorded as Apache ZooKeeper logo.svg[6].
  • Apache ZooKeeper's developer is recorded as Apache Software Foundation[7].
  • Apache ZooKeeper's copyright license is recorded as Apache License[8].
  • Apache ZooKeeper's programmed in is recorded as Java[9].
  • Apache ZooKeeper's software version identifier is recorded as 3.4.6[10].
  • Apache ZooKeeper's software version identifier is recorded as 3.4.5[11].
  • Apache ZooKeeper's software version identifier is recorded as 3.4.9[12].
  • Apache ZooKeeper's software version identifier is recorded as 3.4.10[13].
  • Apache ZooKeeper's software version identifier is recorded as 3.4.11[14].
  • Apache ZooKeeper's software version identifier is recorded as 3.4.13[15].
  • Apache ZooKeeper's software version identifier is recorded as 3.5.5[16].
  • Apache ZooKeeper's software version identifier is recorded as 3.5.6-rc1[17].
  • Apache ZooKeeper's software version identifier is recorded as 0.0.1[18].
  • Apache ZooKeeper's software version identifier is recorded as 2.1.0[19].
  • Apache ZooKeeper's software version identifier is recorded as 2.2.0[20].
  • Apache ZooKeeper's software version identifier is recorded as 2.2.1[21].
  • Apache ZooKeeper's software version identifier is recorded as 3.0.0[22].
  • Apache ZooKeeper's software version identifier is recorded as 3.0.1[23].
  • Apache ZooKeeper's software version identifier is recorded as 3.1.0[24].
  • Apache ZooKeeper's software version identifier is recorded as 3.1.1[25].
  • Apache ZooKeeper's software version identifier is recorded as 3.1.2[26].
  • Apache ZooKeeper's software version identifier is recorded as 3.2.0[27].

Why It Matters

Apache ZooKeeper ranks in the top 7% of free_software entities by monthly Wikipedia readership (128 views/month).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[28]

Related Entities

distributed computing free software Java Java virtual machine

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] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Open Hub. Retrieved . openhub.net. Provenance: wikidata.org.
  8. [10] ↑ . zookeeper.apache.org. Retrieved . zookeeper.apache.org. Provenance: wikidata.org.
  9. [11] ↑ . zookeeper.apache.org. Retrieved . zookeeper.apache.org. Provenance: wikidata.org.
  10. [12] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  11. [13] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  12. [14] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [15] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  14. [16] ↑ . gitbox.apache.org. Retrieved . gitbox.apache.org. Provenance: wikidata.org.
  15. [17] ↑ . gitbox.apache.org. Retrieved . gitbox.apache.org. Provenance: wikidata.org.
  16. [18] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  17. [19] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  18. [20] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  19. [21] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  20. [22] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  21. [23] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  22. [24] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  23. [25] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  24. [26] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  25. [27] ↑ . github.com. Retrieved . github.com. 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.

📑 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). Apache ZooKeeper. Retrieved April 8, 2026, from https://4ort.xyz/entity/apache-zookeeper
MLA “Apache ZooKeeper.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Apr. 2026, https://4ort.xyz/entity/apache-zookeeper.
BibTeX @misc{4ortxyz_apache-zookeeper_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Apache ZooKeeper}}, year = {2026}, url = {https://4ort.xyz/entity/apache-zookeeper}, note = {Accessed: 2026-04-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Apache ZooKeeper — https://4ort.xyz/entity/apache-zookeeper (retrieved 2026-04-08)

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