Messenger: easy message sending for various protocols.

Orange is a Ruby framework for building managed websites with code as simple as Sinatra

This gem includes the main functionality for Osso apps,

LTI mountable engine

Pig Media Server

Preview HTML emails in your browser during development

Rack middleware to send email when exceptions are raised

Deliver mail in a resque job

A unified interface for various messaging queues

Roust is a Ruby API client to access Request Tracker's REST interface.

Rumbster is a simple SMTP server that receives email sent from a SMTP client. Received emails are published to observers that have registered with Rumbster. There are currently two observers; FileMailObserver and MailMessageObserver.

RUby Simple Exception Notification (a.k.a. rusen) as it names indicates is a simple exception notification for ruby.

Application framework for state based session management

A ActionMailer adapter using SendGrid Web API v3.

Sensu monit plugins

Sensu sms plugins

SMTP Proxy for Amazon Simple Email Service with bounce and complaints support

SimplePostmark makes it easy to send mails via Postmark using Rails's ActionMailer.

SimplePostmark makes it easy to send mails via Postmark™ using Rails 3's ActionMailer.

Want to send the emails generated by your Ruby on Rails application to a Slack channel? Now you can!