Proof provides an easy-to-use JWT-based authentication system.

basic helpers and authentication methods for using warden with padrino also providing some hooks into Rack::Flash

Rails-API authentication solution based on JWT and inspired by Devise.

The ruby-jss gem provides native ruby access to the REST APIs of Jamf Pro, an enterprise/education tool for managing Apple devices, from jamf.com. The Jamf module provides access to both the 'Classic' API and the more modern 'Jamf Pro' API. Jamf Pro objects are implemented as classes and can inte...

Authentication plugin for the Trestle admin framework

A library for generating signed authentication tokens for use with Firebase. Uses your app secret.

minimalistic authentication

The spark_api gem handles most of the boilerplate for communicating with the Spark API rest services, including authentication and request parsing.

Neo4j integration with the Devise authentication framework

Provides all the protocol you need in order to do authentication on your rack application. The implementation specifics can be found in http://github.com/cyx/shield-contrib

ActiveGraph integration with the Devise authentication framework

Support authentication via OAuth2 tokens dispensed from the Doorkeeper authorization flow

PG::AWS_RDS_IAM is a plugin for the pg gem that adds support for IAM authentication when connecting to PostgreSQL databases hosted in Amazon RDS.

simple FreshBooks API wrapper. supports both OAuth and API token authentication

Devise based user authentication for AlchemyCMS.

OpenID authentication module for Devise using Rack::OpenID

Delicious HMAC Digest(if) authentication and AES-128-CBC encryption

A streamlined, production-focused toolkit for building MCP servers in Rails applications. Provides essential base classes, authentication gateways, and HTTP transport with minimal dependencies.

An easy drop in solution for rails to use GitHub authentication.

A protobuf-inspired minimalistic serialization format with cryptographic authentication