2fa is described as 'Two-factor authentication on the command line' and is an app in the security & privacy category. There are more than 50 alternatives to 2fa for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best 2fa alternative is Proton Authenticator, which is both free and Open Source. Other great apps like 2fa are Aegis Authenticator, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy.
Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites.
Authenticator Plus generates 2-step verification codes to protect your accounts with your password and phone / tablet.
Open-source web app for personal security checklists and habit tracking with task prioritization, profile-based progress, minimal interface, data privacy, no analytics, and local storage for individual users, supporting multiple checklists and Docker deployment.
Türkiye
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.
India
Sentinel is an elegant OTP Authenticator app for both iOS and MacOS. It relies only on the Apple's iCloud Keychain to share data across devices.
Privacy-first two-factor authentication for iPhone, iPad, Mac, and Android that creates offline TOTP codes, imports accounts, syncs encrypted backups, provides biometric or PIN protection, organizes entries with search and icons, and highlights weak security setups.
Türkiye
🔐 Personal 2FA - Secure, encrypted TOTP authenticator with multi-format import/export, OpenSSL compatibility, and bilingual support (ES/EN).
Spain
EU
Türkiye
Two-step verification app with offline code generation, HOTP and TOTP support, biometric login, local auto backup, QR and image import, multi-language interface, account personalization, dark mode, label grouping, and data privacy controls for secure management.
India
Empowering individuals and businesses with tools for privacy, reputation management, and the fastest identity verification online.
Download TU Latch, a second factor authentication (2FA) and authorisation (2FAuth) app that provides additional protection for your digital services with authorisation controls, TOTP access control and web browsing security from your computer.
SpainEU
