Copper vs Keratin AuthN: What are the differences?

What is Copper? Password-free signups. No social network required. People sign up with their number. You get verified info. Copper is a service for developers who want a seamless, always-improving signup and signin flow in their websites and iOS apps. We remove friction so more people become and remain users, while makers ship faster and maintain less code.

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.

Copper and Keratin AuthN can be primarily classified as "User Management and Authentication" tools.

Keratin AuthN is an open source tool with 775 GitHub stars and 45 GitHub forks. Here's a link to Keratin AuthN's open source repository on GitHub.