Copper vs OmniAuth: 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 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.
Copper and OmniAuth can be primarily classified as "User Management and Authentication" tools.
OmniAuth is an open source tool with 6.88K GitHub stars and 877 GitHub forks. Here's a link to OmniAuth's open source repository on GitHub.
What is Copper?
What is OmniAuth?
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What are the cons of using Copper?
What are the cons of using OmniAuth?
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We use OmniAuth with Devise to authenticate users via Twitter, GitHub, Bitbucket and Gitlab. Adding a new OmniAuth authentication provider is basically as easy as adding a new Ruby gem!
The only drawback I could see is that your OmniAuth+Devise
OmniauthCallbacksController redirection logic can easily get hairy over time. So you have to be vigilant to keep it in check.