Checks puppet manifests for security related problems.

https://github.com/0dayinc/pwn/README.md

Rodauth extension for logging in and creating account via OmniAuth authentication.

Safely run your code in a loving error reporting embrace

Send mail with handlebars like templates

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

Easy way of sending DKIM-signed emails from Ruby, no dependencies needed.

The ultimate email validator

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.

Detect if email is autoresponder or "out-of-office" email

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

Backup rails project with backup & whenever gems

Berta will check all VMs on OpenNebula cloud for expiration date

BioDSL is a Bioinformatics Domain Specific Language.

Ruby Blog Post (hatena,athera,269g,cocolog,fc2,goo,jugem,livedoor,maruta,seesaa,webry,wordpress,gmail,sendmail,sonet)

Combine email validation and transformations to produce canonical email addresses.

Server/process monitoring