dynalogin

Two-factor HOTP authenticationGPL-3.0-or-later

mOTP

One-time password generatorApache-2.0

FreeOTP+

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

Aegis Authenticator

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

KeePassDX

Secure and open source password manager compatible with KeePass files.GPL-3.0-or-later

Mauth

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

Auth Token

OATH software tokensGPL-3.0-only

FreeOTP

Two-factor authenticationApache-2.0