Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.




The best Authenticator alternative to LastPass Authenticator is Aegis Authenticator, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to LastPass Authenticator and many of them are Authenticators so hopefully you can find a suitable replacement. Other interesting Authenticator alternatives to LastPass Authenticator are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 2FA Authenticator (2FAS).
Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.




Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.




Generates and stores two-factor authentication tokens with device encryption, offers secure cloud backup, multi-device synchronization, offline mode, and import/export through QR, file, or manual input. Migration and restore tools reduce risk of token loss.




Bitwarden Authenticator generates verification codes for two-factor authentication, ensuring your identity is verified when you log into accounts.




2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.




Manage two-factor authentication seamlessly across various platforms with secure cloud backups and offline access. From Gmail to LastPass, enhance security effortlessly. Sync multiple devices securely and protect sensitive data with robust encryption.




Google Authenticator generates 2-Step Verification codes on your phone.




FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols with support for Android (6 or later) and iOS (11 or later). Tokens can be added easily by scanning a QR-code or by manually entering in the token configuration.




A free open-source two factor authentication app for Android. It features encrypted backups, icons, categories and a high level of customisation. It also has a Wear OS companion app.




Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.



OVault is a super simple OTP app that lets you view and manage OTPs for all your accounts. Set up OTPs by scanning QR codes with your devices Camera App, or by manually providing the OTP secret to the app.




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.



