Keep mailing list subscriptions in sync with your models

Read newsletters. Better.

Manage mailer templates via wysiwyg and liquid. Uses mercury editor for now. And send out newsletters.

Track newsletter unsubscriptions

Ruby on Rails Newsletters engine for Refinery CMS

A simple interface to mailsolution newsletter api. It only uses the http interface.

An easy-to-implement, reusable newsletter subscribe widget that connects with Mailchimp.

HTML story list generator from the chartbeat API. Good for daily email newsletters.

A simple mailer for newsletters with basic campaign management, queue and unsubscribe support. To be used within Rails.

Convert middleman blogs into a newsletter

Devise extension for newsletter subscribers

A simple Rails 3 engine gem to manage and send newsletters.

A fully featured CRM / Newsletter and Mailings Module for Alchemy CMS. Building and sending Newsletters has never been easier!

MokshaCMS, A Full-stack Content Management framework for Ruby on Rails, providing content/blog management, event management, forums, and newsletter integration.

Remove the newsletter system from Decidim, to use an external form for newsletter registrations.

Console tool which generates html/eml stuff for your newsletters from html-files (support images in separate files)

Sendgrid Newsletter API in Ruby

Easy to integrate with blogs, CMS, messages & mailers, newsletters

Correole is a webservice that subscribes and unsubscribes readers from a newsletter.

A Ruby library wrapping SendGrid's Newsletter API.