Configuring two-factor authentication - GitHub Docs
docs.github.com
You can choose among multiple options to add a second source of authentication to your account.

Just wondering what people are using to meet the 2FA requirement GitHub has been rolling out. I don't love the idea of having an authenticator app installed on my phone just to log into GitHub. And really don't want to give them my phone number just to log in.

Last year, we announced our commitment to require all developers who contribute code on GitHub.com to enable two-factor authentication (2FA)...