This package provides secure first factor one-time passwords (OTPs) for Laravel applications. Users enter their email and receive a one-time code to sign in.

One-time password input component for React. Accessible. Unstyled. Customizable. Open Source.

• OTP Input for React @ GitHub.

the open source solution for two factor authentication.
LinOTP accommodates many different OTP algorithms using a modular approach. This includes the OATH standards such as HMAC (RFC 4226) and time-based HMAC. But LinOTP's design makes it easy to create your own tokens with different algorithms, including challenge-response tokens, tokens based on QR codes, and tokens based on push-type messages.