Yubico Authenticator

Generate OATH codes with YubiKey NEO over NFCApache-2.0

ente Authenticator

ente is an end-to-end encrypted authenticator appGPL-3.0-only

Aegis Authenticator

Free, secure and open source 2FA app to manage tokens for your online servicesGPL-3.0-only

Mooltifill

Use the Android Autofill service with the Mooltipass BLE hardware authenticatorGPL-3.0-only

FreeOTP+

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

Mauth

A Material You Two-factor Authentication app.GPL-3.0-or-later

DuOTP

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

Green

Blockstream Green Bitcoin walletGPL-3.0-only