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




Hotpants is described as 'HOTP/TOTP one time passwords on java phones (J2ME)' and is an app in the security & privacy category. There are more than 10 alternatives to Hotpants for a variety of platforms, including Android, Android Tablet, iPad, iPhone and Flathub apps. The best Hotpants alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like Hotpants are Ente Auth, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy.
Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.




Ente's Authenticator app helps you generate and store 2 step verification (2FA) tokens on your mobile devices.




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.




It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code.




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.




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.






GTK+ application for securely managing TOTP & HOTP tokens. Content is encrypted on disk using AES256-GCM. Master password derived using PBKDF2 with 100k iterations & SHA512 as hash algorithm. Can import encrypted backups from andOTP & Authenticator+.



