Q: What is ReiKey and what does it do?

A: ReiKey is an anti-keylogger software for macOS that detects and blocks keystroke logging malware. It monitors system activity to identify unauthorized attempts to capture keystrokes, helping protect user privacy and sensitive information.

Q: Who developed ReiKey and is it free to use?

A: ReiKey was developed by Objective-See, a non-profit software organization based in the United States. The software is free and open-source, distributed under the GNU General Public License version 3.0.

Q: What programming language is ReiKey written in?

A: ReiKey is written in Objective-C, a general-purpose, high-level, object-oriented programming language that was created in 1984.

ReiKey

anti-keylogger software for macOS

Thing anti_keylogger Q125475100

Facts

10 properties

Instance of: anti-keylogger, free software^[2]
Official website: objective-see.org^[7]
License: GNU General Public License, version 3.0
Website: objective-see.org
Programming language: Objective-C
Copyright license: GNU General Public License, version 3.0^[4]
Copyright status: copyrighted^[8]
Developer: Objective-See^[3]
Operating system: macOS^[6]
Programmed in: Objective-C^[5]

🏷️ Also known as

en Rei Key en ReiKey

🔖 Identifiers · 1

Source code repository URL: github.com

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

🔗 Connections

Instance of 2

free software, anti-keylogger

GNU General Public License, version 3.0

Developer 1

Objective-See

Operating system 1

macOS

Programmed in 1

Objective-C

Press Enter · cited answer in seconds

Summary

ReiKey is an anti-keylogger^[1].

References

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

Direct Wikidata claims

Class ancestry

[1] ↑ ReiKey is an instance of anti-keylogger (Q4774525) [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). ReiKey. Retrieved May 3, 2026, from https://4ort.xyz/entity/reikey

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

BibTeX

@misc{4ortxyz_reikey_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ReiKey}}, year = {2026}, url = {https://4ort.xyz/entity/reikey}, note = {Accessed: 2026-05-03}}

LLM prompt

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

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