Open Source Authy Alternatives
The best open source alternative to Authy is Aegis Authenticator. If that doesn't suit you, our users have ranked more than 50 alternatives to Authy and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Authy are Ente Auth, Proton Authenticator, Bitwarden Authenticator and 2FA Authenticator (2FAS).
Alternatives list
Clockode is a minimal, and offline-only TOTP code generator that stores your authentication secrets in an encrypted local vault, keeping your two-factor codes private and accessible without needing an internet connection.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Mac
- Windows
- Flathub
- Flatpak
C
A simple application for multi-factor authentication, written in HTML using jQuery Mobile, jsSHA, LocalStorage and Application Cache. It implements the TOTP (Time-Based One-Time Password) algorithm according to RFC6238 and has been tested to work with Google Authenticator...
Cost / License
- Free
- Open Source
Application type
Platforms
- Online
- Chrome OS
- Software as a Service (SaaS)
🔐 Personal 2FA - Secure, encrypted TOTP authenticator with multi-format import/export, OpenSSL compatibility, and bilingual support (ES/EN).
Cost / License
- Free
- Open Source (MIT)
Platforms
- Self-Hosted
- Online
Kerveros is a robust two-factor authentication code generator that combines ease of use with enterprise-grade security. It generates time-based one-time passwords (TOTP) for your online accounts while keeping your secrets encrypted and protected.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Flathub
- Flatpak
Spain
EU
