Open Source #totp Projects
Discover open source software tagged with totp.
2FAuth
Self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate TOTP and HOTP codes from any browser.
Alternative to: 
Authy
Authy
Open Authenticator
Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.
Alternative to: 
Google Authenticator
Google Authenticator