Suggest an alternative to

rails-auth

Modular resource-based authentication and authorization for Rails/Rack

Why do you think that https://github.com/norman/friendly_id is a good alternative to rails-auth

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 rails-auth. Optional.

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