Authy is described as 'Manage and secure two-factor authentication easily across Gmail, Dropbox, and more. Sync devices, secure backups, and enjoy offline access' and is a very popular Authenticator in the security & privacy category. There are more than 50 alternatives to Authy for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Authy alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Authy are Ente Auth, Proton Authenticator, Bitwarden Authenticator and andOTP.
Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.
TOTP Authenticator makes it simple and easy to enable 2-factor authentication on your accounts. The app provides option to backup data offline or on the cloud. Features like Push to Chrome, dark theme, custom icons and widgets make the app stand out.
Daito is a web-based 2FA authenticator for TOTP tokens. It enables you to share 2FA tokens with others to simply protecting shared accounts. No phone needed.
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.
Krypton implements the standardized FIDO Universal 2nd Factor (U2F) protocol to provide secure, un-phishable two-factor authentication on the web, using just your phone.
Authenticator generates secure 2 step verification tokens on your device. It help’s you protect your accounts even more.
Stop account takeovers, protect your employees and applications, and eliminate passwords with DIGIPASS® FX7, a FIDO-enabled, phishing-resistant authenticator. DIGIPASS FX7 enhances security while simplifying the login process, enabling a ‘work from anywhere, anytime’ policy.
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
CryptoPhoto gives you a fast and safe way to log into your favorite participating web sites while enjoying leading-edge protection against phishing, malware attacks, and scamming.
Secretable is a telegram bot for managing passwords and others secrets stored in Google Sheets. Convenient management of your secrets in the messenger. Strong encryption AES256 + PKCS 8 + PBKDF2. Using Google Sheets as storage allows you to track changes, easily make backups...
HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP).
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.
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Backups data on user's cloud storage instead of their own.