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GNU Ocrad

OCR (Optical Character Recognition) program and library
CreativeWork ocr_software Q2013782

Facts

20 properties
Instance of
OCR software, GNU package (2003–present), free software (2003–present)[3][4]
Inception
April 2003
Official website
www.gnu.org
License
GNU General Public License, version 2.0 or later
Website
www.gnu.org
Programming language
C++
Part of
GNU Project (2003–present)
Has use
optical character recognition
Copyright holder
Antonio Diaz
Copyright license
GNU General Public License, version 2.0 or later (2003–present)[8]
Copyright status
copyrighted
Creator
Antonio Diaz[2]
Developer
GNU Project[7]
Maintained by
Antonio Diaz[5]
Movement
free software movement[6]
Operating system
GNU/Linux, BSD, macOS, Unix-like operating system[10][11][12][13]
Programmed in
C++[9]
Readable file format
Portable Network Graphics, Netpbm formats
Software version identifier
0.24, 0.26, 0.27, 0.28, 0.29, 0.1alpha1, 0.1, 0.2, ocrad_0.1pre_alpha1, 0.3, 0.4, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23[14][15][16][17][18][19][20][21][22][23]
Writable file format
OCR results file
🏷️ Also known as
en GNU Ocrad en Ocrad es GNU Ocrad fr Ocrad
🔖 Identifiers · 23
Image (Wikimedia Commons)
Ocrad.png ↗
Arch Linux package
ocrad
Debian source package
ocrad
Debian stable package
libocrad-dev, ocrad
Fedora package
ocrad
Free Software Directory entry
Ocrad
FreeBSD port
graphics/ocrad
Freebase ID
/m/02pkpqq
GNU Savannah project ID
ocrad
Gentoo package
app-text/ocrad
Guix Variable Name
ocrad
Homebrew formula name
ocrad
Show all 23 identifiers +11
Launchpad.net project ID
ubuntu/+source/ocrad
Mailing list archive URL
lists.gnu.org
Man page
ocrad.1
NetBSD package ID
graphics/ocrad
OpenBSD port
graphics/ocrad
OpenSUSE package
ocrad
Pro-Linux.de DBApp ID
3196
Repology project name
ocrad
Source code repository URL
ftp.gnu.org
Ubuntu package
libocrad-dev, ocrad
User manual URL
www.gnu.org

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

🔗 Connections
Operating system 3
macOS, Unix-like operating system, BSD
Readable file format 2
Portable Network Graphics, Netpbm formats
Copyright license 1
GNU General Public License, version 2.0 or later
Developer 1
GNU Project
Has use 1
optical character recognition
Instance of 1
free software
Movement 1
free software movement
Part of 1
GNU Project
Programmed in 1
C++
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Summary

GNU Ocrad is an OCR software[1].

Body

Publication

GNU Ocrad's part of is recorded as GNU Project[24].

Related Entities

BSD C++ free software GNU Project macOS optical character recognition Unix-like operating system

References

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

Direct Wikidata claims

  1. [3] ↑ . Free Software Directory. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  2. [4] ↑ . web.archive.org. Retrieved . web.archive.org. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [2] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Free Software Directory. Retrieved . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . Free Software Directory. Retrieved . wikidata.org.
  10. [11] ↑ . Free Software Directory. Retrieved . wikidata.org.
  11. [12] ↑ . Free Software Directory. Retrieved . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . ftpmirror.gnu.org. ftpmirror.gnu.org. Provenance: wikidata.org.
  14. [15] ↑ . ftp.gnu.org. Retrieved . ftp.gnu.org. Provenance: wikidata.org.
  15. [16] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  16. [17] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  17. [18] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  18. [19] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: wikidata.org.
  19. [20] ↑ . Retrieved . wikidata.org.
  20. [21] ↑ . Retrieved . wikidata.org.
  21. [22] ↑ . Retrieved . wikidata.org.
  22. [23] ↑ . Retrieved . wikidata.org.
  23. [24] ↑ . lists.gnu.org. Retrieved . lists.gnu.org. Provenance: 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 Ocrad. Retrieved November 2, 2026, from https://4ort.xyz/entity/gnu-ocrad
MLA “GNU Ocrad.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/gnu-ocrad.
BibTeX @misc{4ortxyz_gnu-ocrad_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GNU Ocrad}}, year = {2026}, url = {https://4ort.xyz/entity/gnu-ocrad}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GNU Ocrad — https://4ort.xyz/entity/gnu-ocrad (retrieved 2026-11-02)

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