LastPass Authenticator is described as 'Offers a unique one-tap password verification experience that no other authenticator app delivers' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to LastPass Authenticator for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best LastPass Authenticator alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like LastPass Authenticator are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 2FA Authenticator (2FAS).
OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
Mauth (pronounced Moth) is a Two-Factor Authentication app with support for TOTP and HOTP (coming soon) and compatibility with Google Authenticator.
Open-source authenticator app for iOS and macOS generates time-based one-time passwords, supports secure iCloud sync and encrypted backup, FaceID and TouchID unlocking, QR code scanning, custom icons, search, handoff for copying codes, and encrypted export.
OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.
Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).
2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.
Encrypted Windows app for managing 2FA codes with AEGIS-256 and Argon2id, supporting Windows Hello, portable use, multilingual interface, token import/export, QR code/manual entry, generic TOTP, local storage, and dark mode interface for enhanced security.
Open-source Android authenticator supporting TOTP and HOTP, material design UI, backup and restore via files, Google Drive, or Android backup, works offline, privacy-focused, no analytics or ads, suitable for securing logins on popular services.
Etopa is a two-factor-authentication app, which runs as a web server and can be accessed using a web browser or using an Android app. You can use the Etopa.de instance or host your own.
Allthenticator unifies digital and physical access with one smartphone-based identity. Users log in to systems and unlock doors via proximity. Supports SSH keys, passkeys, OTP, and peer-based recovery—all managed from a single admin dashboard.
Clockode is a minimal, and offline-only TOTP code generator that stores your authentication secrets in an encrypted local vault, keeping your two-factor codes private and accessible without needing an internet connection.
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