Authentication and OAuth Gems

#	Total Rank	Daily Rank	Name	Summary
1	166	202	warden	An authentication library compatible with all Rack-based frameworks
2	175	215	devise	Flexible authentication solution for Rails with Warden
3	192	227	oauth2	🔐 A Ruby wrapper for the OAuth 2.0 Authorization Framework, including the OAuth 2.1 dra...
4	231	260	omniauth	A generalized Rack framework for multiple-provider authentication.
5	295	475	oauth	OAuth Core Ruby implementation
6	452	448	doorkeeper	Doorkeeper is an OAuth 2 provider for Rails and Grape.
7	1,172	1,549	webauthn	WebAuthn ruby server library ― Make your application a W3C Web Authentication conforman...
8	1,984	2,368	authlogic	An unobtrusive ruby authentication library based on ActiveRecord.
9	2,669	2,715	sorcery	Provides common authentication needs such as signing in/out, activating by email and re...
10	4,299	2,979	zxcvbn	Low-Budget Password Strength Estimation. Direct Ruby port from Dropbox's zxcvbn.js code...
11	4,301	4,011	clearance	Clearance is built to support authentication and authorization via an email/passwor...
12	4,411	6,560	knock	Authentication solution for Rails based on JWT
13	6,940	4,311	rodauth	Rodauth is Ruby's most advanced authentication framework, designed to work in all rack ...
14	9,037	4,876	omniauth-twitter2	Twitter OAuth2 strategy for OmniAuth. '2' means OAuth 2.0.
15	10,166	4,575	authentication-zero	An authentication system generator for Rails applications
16	13,041	12,718	shield	Provides all the protocol you need in order to do authentication on your rack appli...
17	14,553	8,882	api_guard	JWT authentication solution for Rails APIs
18	22,605	28,952	oath	simple rails authentication
19	31,897	12,959	firebase-auth-id_token_keeper	Firebase Authentication uses ID Token. This gem verify the token on the server side.
20	171,901	39,972	veri	Minimal cookie-based authentication library for Ruby on Rails