Article · Wikipedia archive · Last revised Jul 17, 2026

FreeOTP

FreeOTP is a free and open-source authenticator by Red Hat. It implements multi-factor authentication using HOTP and TOTP. Tokens can be added by scanning a QR code or by manually entering the token configuration. It is licensed under the Apache 2.0 license, and supports Android and iOS.

Last revised
Jul 17, 2026
Read time
≈ 1 min
Length
167 w
Citations
6
Source
Wikipedia ↗
FreeOTP
DeveloperRed Hat
Initial release24 October 2013 (2013-10-24)1
Stable release
Android2.0.62 Edit this on Wikidata / 17 February 2026 (17 February 2026)
iOS2.3.63 Edit this on Wikidata / 18 November 2025 (18 November 2025)
Written inJava, Swift
Operating systemAndroid, iOS
StandardsHOTP, TOTP
TypeOne-time password software
LicenseApache License 2.0
Websitefreeotp.github.io
Repositorygithub.com/freeotp

FreeOTP is a free and open-source authenticator by Red Hat. It implements multi-factor authentication using HOTP and TOTP. Tokens can be added by scanning a QR code or by manually entering the token configuration. It is licensed under the Apache 2.0 license, and supports Android and iOS.456

See also

See also

References

References

  1. Release r1 · freeotp/freeotp-android, 9 Aug 2023 – via GitHub
  2. "Releases for Android". Retrieved 19 February 2026.
  3. "Release 2.3.6". 18 November 2025. Retrieved 20 November 2025.
  4. Fontana, John. "Two-factor authentication finds home in Red Hat, Windows OS". ZDNet. Retrieved 2019-03-26.
  5. Lerch, Ryan (25 June 2014). "freeOTP — an open source solution for authentication soft tokens". fedoramagazine.org. Fedora Magazine. Retrieved 4 April 2018.
  6. "Easily Improving Linux Security with Two-Factor Authentication". complete.org. 2016-09-09. Retrieved 2018-10-11.
External links