CardBook

address book for Thunderbird

Place application_software Q64811255

Facts

13 properties

Instance of: application software, plug-in, address book, free software^[2]^[3]^[4]
Official website: cardbook.icu^[11]
License: Mozilla Public License, version 2.0
Website: cardbook.icu
Programming language: JavaScript
Part of: Mozilla Thunderbird^[10]
Copyright license: Mozilla Public License, version 2.0^[5]
Copyright status: copyrighted^[15]
Programmed in: JavaScript^[6]
Protocol: CardDAV^[14]
Software version identifier: 2.5 (2.5–40.3, n=3)^[7]^[8]^[9]
Uses: CardDAV, vCard^[12]^[13]
Version: 2.5 (2.5–40.3, n=3)

🏷️ Also known as

en Cardbook en CardBook

🔖 Identifiers · 3

Issue tracker URL: gitlab.com
Source code repository URL: gitlab.com
User manual URL: gitlab.com

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Instance of 4

free software, application software, plug-in, address book

Uses 2

vCard, CardDAV

Part of 1

Mozilla Thunderbird

Programmed in 1

JavaScript

Protocol 1

CardDAV

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Summary

CardBook is an application software^[1].

References

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

Direct Wikidata claims

[2] ↑ CardBook — instance of (P31): plug-in. wikidata.org.
[3] ↑ CardBook — instance of (P31): address book. wikidata.org.
[4] ↑ CardBook — instance of (P31): free software. wikidata.org.
[5] ↑ CardBook — copyright license (P275): Mozilla Public License, version 2.0. gitlab.com. gitlab.com. Provenance: wikidata.org.
[6] ↑ CardBook — programmed in (P277): JavaScript. gitlab.com. gitlab.com. Provenance: wikidata.org.
[7] ↑ CardBook — software version identifier (P348): 36.6. addons.thunderbird.net. addons.thunderbird.net. Provenance: wikidata.org.
[8] ↑ CardBook — software version identifier (P348): 40.3. addons.thunderbird.net. addons.thunderbird.net. Provenance: wikidata.org.
[9] ↑ CardBook — software version identifier (P348): 2.5. addons.thunderbird.net. addons.thunderbird.net. Provenance: wikidata.org.
[10] ↑ CardBook — part of (P361): Mozilla Thunderbird. wikidata.org.
[11] ↑ CardBook — official website (P856): https://cardbook.icu/. wikidata.org.
[12] ↑ CardBook — uses (P2283): CardDAV. wikidata.org.
[13] ↑ CardBook — uses (P2283): vCard. wikidata.org.
[14] ↑ CardBook — protocol (P2700): CardDAV. wikidata.org.
[15] ↑ CardBook — copyright status (P6216): copyrighted. wikidata.org.

Class ancestry

[1] ↑ CardBook is an instance of application software (Q166142) [P31, primary]. 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). CardBook. Retrieved May 3, 2026, from https://4ort.xyz/entity/cardbook

MLA “CardBook.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cardbook.

BibTeX

@misc{4ortxyz_cardbook_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{CardBook}}, year = {2026}, url = {https://4ort.xyz/entity/cardbook}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): CardBook — https://4ort.xyz/entity/cardbook (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cardbook · Last refreshed: May 3, 2026