Suggest an alternative to

devise

Flexible authentication solution for Rails with Warden.

Why do you think that https://github.com/lazaronixon/authentication-zero is a good alternative to devise

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with devise. Optional.

A valid email to send you a verification link when necessary or log in.