Keratin AuthN vs OmniAuth: What are the differences?

What is Keratin AuthN? Accounts and Auth Microservice in Go. AuthN manages a database of user accounts with sign-in credentials and related attributes. Your application frontend relies on AuthN for creating accounts, logging in, forgotten passwords, and session maintenance.

What is OmniAuth? OmniAuth is a flexible authentication system utilizing Rack middleware. OmniAuth is a Ruby authentication framework aimed to abstract away the difficulties of working with various types of authentication providers. It is meant to be hooked up to just about any system, from social networks to enterprise systems to simple username and password authentication.

Keratin AuthN and OmniAuth can be categorized as "User Management and Authentication" tools.

Keratin AuthN and OmniAuth are both open source tools. It seems that OmniAuth with 6.88K GitHub stars and 877 forks on GitHub has more adoption than Keratin AuthN with 775 GitHub stars and 45 GitHub forks.