O

otp

🔧🔗https://github.com/privacyidea/privacyidea

🔐 multi factor authentication system (2FA, MFA, OTP Server)

SOTP

https://github.com/getsops/sotp

Get TOTP from the command line using TOTP secrets in Sops encrypted files.

🔧🔗https://github.com/freeipa/freeipa

Mirror of FreeIPA, an integrated security information management solution