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OmniAuth is a flexible authentication system utilizing Rack middleware.
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What is OmniAuth?

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.
OmniAuth is a tool in the User Management and Authentication category of a tech stack.
OmniAuth is an open source tool with 7K GitHub stars and 900 GitHub forks. Here’s a link to OmniAuth's open source repository on GitHub

Who uses OmniAuth?

28 companies reportedly use OmniAuth in their tech stacks, including StackShare, Code School, and DSTLD.

96 developers on StackShare have stated that they use OmniAuth.

OmniAuth Integrations

Why developers like OmniAuth?

Here’s a list of reasons why companies and developers use OmniAuth
Public Decisions about OmniAuth

Here are some stack decisions, common use cases and reviews by companies and developers who chose OmniAuth in their tech stack.

Jerome Dalbert
Jerome Dalbert
Senior Backend Engineer at StackShare · | 4 upvotes · 174.9K views

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.

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OmniAuth's Features

  • Multi-provider authentication
  • Over 200 supported authentication providers (see list at
  • Open source

OmniAuth Alternatives & Comparisons

What are some alternatives to OmniAuth?
Devise is a flexible authentication solution for Rails based on Warden
A set of unified APIs and tools that instantly enables Single Sign On and user management to all your applications.
Amazon Cognito
You can create unique identities for your users through a number of public login providers (Amazon, Facebook, and Google) and also support unauthenticated guests. You can save app data locally on users’ devices allowing your applications to work even when the devices are offline.
Spring Security
It is a framework that focuses on providing both authentication and authorization to Java applications. The real power of Spring Security is found in how easily it can be extended to meet custom requirements.
It is an authorization framework that enables a third-party application to obtain limited access to an HTTP service, either on behalf of a resource owner by orchestrating an approval interaction between the resource owner and the HTTP service, or by allowing the third-party application to obtain access on its own behalf.
See all alternatives

OmniAuth's Followers
110 developers follow OmniAuth to keep up with related blogs and decisions.
Yuki Kuroda
Matthew Bass
Niyongabo Eric
Jared Ables
Sid Bedi