oath-hotp
There are 4 repositories under oath-hotp topic.
kelunik/two-factor
Two factor authentication.
Devolutions/slauth
OAUTH (TOTP, HOTP), U2F & WebAuthN Implementation in Rust
Nitrokey/nitrokey-hotp-verification
A command line C app to validate HOTP codes on Heads
multiOTP/genOTP
Generic 2FA OTP generator (OATH/HOTP, OATH/TOTP, mOTP)