| 1 | 538 | - | json-jwt | JSON Web Token and its family (JSON Web Signature, JSON Web Encryption and JSON Web Key... |
| 2 | 717 | - | attr_required | attr_required and attr_optional |
| 3 | 721 | - | rack-oauth2 | OAuth 2.0 Server & Client Library. Both Bearer token type are supported. |
| 4 | 766 | - | openid_connect | OpenID Connect Server & Client Library |
| 5 | 797 | - | swd | SWD (Simple Web Discovery) Client Library |
| 6 | 799 | - | webfinger | Ruby WebFinger client library |
| 7 | 3,088 | - | omniauth-apple | OmniAuth strategy for Sign In with Apple |
| 8 | 3,238 | - | apple_id | Sign-in with Apple backend library in Ruby. |
| 9 | 3,882 | - | fb_graph2 | Facebook Graph API v2.x Wrapper in Ruby |
| 10 | 4,102 | - | fb_graph | A full-stack Facebook Graph API wrapper in Ruby. |
| 11 | 5,314 | - | paypal-express | PayPal Express Checkout API Client for Instance, Recurring and Digital Goods Payment. |
| 12 | 9,511 | - | restclient_with_cert | RestClient with embedded cert |
| 13 | 13,364 | - | itunes-receipt | Handle iTunes In App Purchase Receipt Verification |
| 14 | 19,962 | - | fb_graph-mock | FB Graph API mocking |
| 15 | 20,434 | - | jsonbuilder | Builder::XmlMarkup like JsonBuilder |
| 16 | 22,772 | - | square | Square API client |
| 17 | 31,499 | - | twitter_oauth2 | Twitter OAuth 2.0 Client Library in Ruby. |
| 18 | 34,112 | - | activitystreams | A RubyGem for ActivityStreams Publishers |
| 19 | 35,628 | - | iknow | A rubygem for iKnow! APIs |
| 20 | 37,280 | - | web_authn | W3C Web Authentication API (a.k.a. WebAuthN / FIDO 2.0) RP library in Ruby |
| 21 | 47,815 | - | smartfm | A rubygem for smart.fm APIs |
| 22 | 51,150 | - | rack-locale_memorable | Remember locale in rack layer |
| 23 | 68,014 | - | cose-key | COSE Key (RSA & EC) in Ruby |
| 24 | 86,826 | - | faraday-jwt | Faraday Middleware for JWT Request & Response |
| 25 | 87,348 | - | nov-omniauth-yahoojp | Fork of Official OmniAuth strategy for Yahoo! JAPAN. |
| 26 | 102,170 | - | octokit-enterprise | Octokit for GitHub Enterprise |
| 27 | 102,654 | - | safie | Safie API Client in Ruby. |
| 28 | 112,113 | - | connect | Yet Another OpenID Connect Gem... might be |
| 29 | 116,996 | - | apple_pay | Apple Pay Merchant Backend |
| 30 | 126,299 | - | nov-rack-openid | Provides a more HTTPish API around the ruby-openid library |
| 31 | 126,398 | - | nov-ruby-openid | A library for consuming and serving OpenID identities. |
| 32 | 130,399 | - | nov-oauth2 | A Ruby wrapper for the OAuth 2.0 protocol built with a similar style to the original OA... |
| 33 | 131,853 | - | motion-oauth2 | OAuth2 client library for RubyMotion apps, you need APIs right? |
| 34 | 142,017 | - | nov-stylus | Bridge library to compile .styl stylesheets from ruby code. |
| 35 | 159,837 | - | nov-test-gem | just a demo for Qiita article |
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