Send mail with handlebars like templates

ActiveModel validation that checks email addresses against a blacklist of trash-mail providers

Spree Mail extends Spree by adding a mailing list subscriber model, sign up forms and an admin to send messages.

Supports importing data over various transports with key-value remapping & normalization

Webspicy helps testing web services as software operation black boxes

Adops Report Scrapper is a collection of web scrappers that can automatically extract the data from your ad server, ad networks, ad exchanges, and other ad partners. It is an open source alternative to [STAQ](http://www.staq.com/). Say good-bye to spreadsheet. At the moment, this gem only focus on getting the data in. It is up to you how you would aggregate the data into your pageview & dfp/ad server data set.

email => http post

Client library for Amazon's Simple Email Service's REST API

Backupper is a tool to backup all your databases spread all over the world

Berta will check all VMs on OpenNebula cloud for expiration date

BioDSL is a Bioinformatics Domain Specific Language.

Combine email validation and transformations to produce canonical email addresses.

Server/process monitoring

Ruby client for the parsing and validating CloudInit userdata

A gem used to package the core .rb files of the mail-receiver.

Sinatra Based Application Framework

eml2html executable for unpacking .eml files into html and attachments

This gem uses wkhtmltopdf to convert an eml to a pdf. (eml -> html -> pdf)

E-Mail validator for block services like mailinator.com, dropmail.me, etc. during new user registration.

RSS/Atom feed updates in your email