The Files.com Ruby client.

For The Web. Trying to build a solid and sane API for client and server web stuff. Client and Server operations for HTTP, WebSockets, SPDY, etc.

An easy to use interface for REST APIs that use HAL.

A Ruby client for Hawkular

Derivative generation plugin for hydra

An administrative framework for Jekyll sites, Jekyll Manager is essentially Jekyll Admin repackaged with some alterations.

Knife plugin for Chef Push Jobs

Rfm brings your FileMaker data to Ruby. Now your Ruby scripts and Rails applications can talk directly to your FileMaker server.

Client for signing and authentication of requests and responses with mAuth authentication. Includes middleware for Rack and Faraday for incoming and outgoing requests and responses.

A parser for Open API specifications

Percy::Client

HTTP support for ROM

Opinionated Ruby client for the Lokalise platform API allowing to work with translations, projects, users and other resources as with Ruby objects.

An ActiveRecord-style API wrapper for TheMovieDB.org

Gem to use the SurveyGizmo.com REST API, v3+

And here would be description.

Test your Apiary Blueprint specification on ruby

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

A simple ruby API wrapper for interacting with the Wunderground API

Simple gem to connect to Zoho CRM API V2