Open Passkey Authenticator

App for managing passkey integrating in the Android Credential Manager.EUPL-1.2

Proton Authenticator

Private, secure, offline 2FA across devices by Proton teamGPL-3.0-or-later

Conceal Authenticator

Secure 2FA authenticator with blockchain backup and encryption.BSD-3-Clause

Yubico Authenticator

Generate OATH codes with YubiKey NEO over NFCApache-2.0

Reloado Auth - 2FA Authenticator

Secure, Free and Open Source 2FA TOTP Authenticator App with Sync and Web AccessAGPL-3.0-only

Aegis Authenticator

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

Ente Auth - 2FA Authenticator

Free, Cross Platform, Private, Open Source Two Factor Authenticator AppAGPL-3.0-only

Mooltifill

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

Flauth

Privacy-first, open-source TOTP authenticator for 2FA token management.MIT

FreeOTP+

Two-factor authenticator (2FA) with one-time password protocols (OTP)Apache-2.0

ANOTHERpass

Another way to manage passwords (password manager and 2FA authenticator)MIT

Mauth

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

Proton Pass: Password Manager

Password manager created by the scientists who met at CERN behind Proton Mail.GPL-3.0-or-later