Authentication and OAuth Gems

#	Total Rank	Daily Rank	Name	Summary
1	167	288	warden	An authentication library compatible with all Rack-based frameworks
2	175	291	devise	Flexible authentication solution for Rails with Warden
3	192	266	oauth2	🔐 A Ruby wrapper for the OAuth 2.0 Authorization Framework, including the OAuth 2.1 dra...
4	231	343	omniauth	A generalized Rack framework for multiple-provider authentication.
5	295	572	oauth	OAuth Core Ruby implementation
6	457	580	doorkeeper	Doorkeeper is an OAuth 2 provider for Rails and Grape.
7	1,176	2,002	webauthn	WebAuthn ruby server library ― Make your application a W3C Web Authentication conforman...
8	2,002	2,443	authlogic	An unobtrusive ruby authentication library based on ActiveRecord.
9	2,675	3,473	sorcery	Provides common authentication needs such as signing in/out, activating by email and re...
10	4,284	2,182	zxcvbn	Low-Budget Password Strength Estimation. Direct Ruby port from Dropbox's zxcvbn.js code...
11	4,316	3,957	clearance	Clearance is built to support authentication and authorization via an email/passwor...
12	4,418	5,512	knock	Authentication solution for Rails based on JWT
13	6,911	5,445	rodauth	Rodauth is Ruby's most advanced authentication framework, designed to work in all rack ...
14	8,946	3,433	omniauth-twitter2	Twitter OAuth2 strategy for OmniAuth. '2' means OAuth 2.0.
15	10,048	5,046	authentication-zero	An authentication system generator for Rails applications
16	13,057	16,109	shield	Provides all the protocol you need in order to do authentication on your rack appli...
17	14,465	11,213	api_guard	JWT authentication solution for Rails APIs
18	22,682	82,265	oath	simple rails authentication
19	31,805	25,075	firebase-auth-id_token_keeper	Firebase Authentication uses ID Token. This gem verify the token on the server side.
20	165,636	90,788	veri	Minimal cookie-based authentication library for Ruby on Rails