FreeOTP

Free and open-source two-factor authentication app

Screenshot

Developer(s)Red HatInitial releaseOctober 24, 2013; 10 years ago (2013-10-24)^[1]Stable release

Android	2.0.3^[2] / 2 November 2023
iOS	2.3.4^[3] / 2 November 2023

Repositorygithub.com/freeotpWritten inJava, SwiftOperating systemAndroid, iOSStandard(s)HOTP, TOTP TypeOne-time password softwareLicenseApache License 2.0Websitefreeotp.github.io

FreeOTP is a free and open-source authenticator by RedHat. 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.^[4]^[5]^[6]

References

^ Release r1 · freeotp/freeotp-android, 9 Aug 2023 – via GitHub
^ "Release 2.0.3". 2 November 2023. Retrieved 18 November 2023.
^ "Release 2.3.4". 2 November 2023. Retrieved 18 November 2023.
^ Fontana, John. "Two-factor authentication finds home in Red Hat, Windows OS". ZDNet. Retrieved 2019-03-26.
^ Lerch, Ryan (25 June 2014). "freeOTP — an open source solution for authentication soft tokens". fedoramagazine.org. Fedora Magazine. Retrieved 4 April 2018.
^ "Easily Improving Linux Security with Two-Factor Authentication". complete.org. 2016-09-09. Retrieved 2018-10-11.