Apps similar to Bitwarden Authenticator include KeePass, which is free and open source. Other options are Aegis Authenticator, Proton Authenticator, Ente Auth and 1Password. There's no shortage of Authenticators like Bitwarden Authenticator, with more than 50 alternatives for Android, iPhone, iPad, Windows and Mac.
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.
United States
LastPass Authenticator offers a unique one-tap password verification experience that no other authenticator app delivers.
United States
Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu.
Czechia
EU
Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.
SwedenEU
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.
United Kingdom
SAASPASS is an Authenticator, Password Manager and a repository for Secure notes. It also secures access to computers such as Macs and Win with two-factor authentication. It can be used for personal use and/or by a company to secure their cloud apps.
United States
Mauth (pronounced Moth) is a Two-Factor Authentication app with support for TOTP and HOTP (coming soon) and compatibility with Google Authenticator.
Georgia
x2y Authenticator is a privacy-focused 2FA app that securely stores TOTP tokens in an encrypted vault. Features include Stealth Mode, Panic Backups, and Local PC Sync, giving you full control over your authentication data.
Kenya
2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.
FranceEU
Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).
GermanyEU
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.
Local-only vaults use triple encryption—AES-256-GCM, ML-KEM 768, Argon2id—for post-quantum security with zero cloud, passive face biometrics, password generation and analysis, encrypted notes, HMAC integrity, multi-vaults, and NIST FIPS compliance.
Colombia
