MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail.

Seamless Ruby on Rails websocket integration.

Cramp is a framework for developing asynchronous web applications.

Firehose is a realtime web application toolkit for building realtime Ruby web applications.

Lita adapter for Slack.

GitHub Markdown straight from your shell.

Simple pub/sub messaging for the web

A Ruby wrapper for the Slack API

Minimal Ruby library for Appium.

The Ruby binding of playwright driver 1.49.0

Captures a web page as a screenshot using Poltergeist, Capybara and PhantomJS

Client library for Coinbase Exchange

API Wrapper for the Binance cryptocurrency exchange.

Ruby wrapper for the Binance API.

ORTC aka Realtime Cloud Messaging provides a standard software API for sending and receiving data in real-time over the web.

Ruby SDK for you to access RingCentral platform API.

Tools to help you develop Zendesk Apps.

Accepts orders via http, returns payment info via http or streams updates via websockets, stores orders in a DB

Official client library to use the IBM Watson Services

You can easily make Slack Bot!!!