How to: Third-party APIs
* [Ably](https://github.com/ably/ably-ruby) - Ruby library for realtime communication over Ably.
* [Buffer](https://github.com/bufferapp/buffer-ruby) - Buffer API Ruby Library
* [discordrb](https://github.com/meew0/discordrb) - An implementation of the Discord API.
* [Dropbox](https://github.com/Jesus/dropbox_api) - Ruby client for Dropbox API v2.
* [fb_graph2](https://github.com/nov/fb_graph2) - A full-stack Facebook Graph API wrapper.
* [flickr](https://github.com/RaVbaker/flickr) - A Ruby interface to the Flickr API.
* [gitlab](https://github.com/NARKOZ/gitlab) - Ruby wrapper and CLI for the GitLab API.
* [google-api-ads-ruby](https://github.com/googleads/google-api-ads-ruby) - Google Adwords Ruby client
* [gmail](https://github.com/gmailgem/gmail) - A Rubyesque interface to Gmail, with all the tools you'll need.
* [hipchat-rb](https://github.com/hipchat/hipchat-rb) - HipChat HTTP API Wrapper in Ruby with Capistrano hooks.
* [instagram-ruby-gem](https://github.com/Instagram/instagram-ruby-gem) - The official gem for the Instagram REST and Search APIs.
* [itunes_store_transporter](https://github.com/sshaw/itunes_store_transporter) - Ruby wrapper around Apple's iTMSTransporter program.
* [linkedin](https://github.com/hexgnu/linkedin) - Provides an easy-to-use wrapper for LinkedIn's REST APIs.
* [Notion Ruby Client](https://github.com/orbit-love/notion-ruby-client) - A Ruby wrapper for the Notion API.
* [Octokit](http://octokit.github.io/octokit.rb) - Ruby toolkit for the GitHub API.
* [Pusher](https://github.com/pusher/pusher-http-ruby) - Ruby server library for the Pusher API.
* [Restforce](https://github.com/ejholmes/restforce) - A Ruby client for the Salesforce REST api.
* [ruby-gmail](https://github.com/dcparker/ruby-gmail) - A Rubyesque interface to Gmail.
* [ruby-trello](https://github.com/jeremytregunna/ruby-trello) - Implementation of the Trello API for Ruby.
* [simple-slack-bot](https://github.com/kciter/simple-slack-bot) - You can easily make Slack Bot.
* [Slack Notifier](https://github.com/stevenosloan/slack-notifier) - A simple wrapper for posting to Slack channels.
* [Slack ruby gem](https://github.com/aki017/slack-ruby-gem) - A Ruby wrapper for the Slack API.
* [soundcloud-ruby](https://github.com/soundcloud/soundcloud-ruby) - Official SoundCloud API Wrapper for Ruby.
* [t](https://github.com/sferik/t) - A command-line power tool for Twitter.
* [terjira](https://github.com/keepcosmos/terjira) - A command-line power tool for Jira.
* [tweetstream](https://github.com/tweetstream/tweetstream) - A simple library for consuming Twitter's Streaming API.
* [twilio-ruby](https://github.com/twilio/twilio-ruby) - A module for using the Twilio REST API and generating valid TwiML.
* [twitter](https://github.com/sferik/twitter) - A Ruby interface to the Twitter API.
* [whatsapp-sdk](https://github.com/ignacio-chiazzo/ruby_whatsapp_sdk) - Ruby client for the Whatsapp API.
* [wikipedia](https://github.com/kenpratt/wikipedia-client) - Ruby client for the Wikipedia API.
* [Yt](https://github.com/Fullscreen/yt) - An object-oriented Ruby client for YouTube API V3.