Copy SMS Code - OTP Helper

an open-source app that can detect and copy any code for youAGPL-3.0-only

YubiClip

Copy YubiKey NEO OTP from NFC to clipboardBSD-2-Clause

DuOTP

Log in to Duo-protected services with any standard OTP appGPL-3.0-or-later

mOTP

One-time password generatorApache-2.0

KeyPass

Offline, Secure, PrivateMIT

FreeOTP+

Enhanced fork of FreeOTP-Android providing a feature-rich 2FA authenticatorApache-2.0

GitNex for Forgejo and Gitea

Client for GiteaGPL-3.0-only

Passman

Allow you to manage the credentials stored in your Nextcloud Passman app.GPL-3.0-only

Auth Token

OATH software tokensGPL-3.0-only

FreeOTP

Two-factor authenticationApache-2.0