K-9 Mail – Advanced Email for Android

http://nodeschool.io/international-day/

Read/sync your IMAP mailboxes [Python]

Simple, modern & fast web-based email client

Django authentication backend using email confirmation instead of passwords

Add Email medium to Notifications for Meteor JS

instead of sending me email use the issue tracker to send me messages

Re-decentralize email. Make it secure. Make it simple. Make it yours.

Free Email Verification for Symfony http://kickbox.io

AngularJS web client of Lavaboom's email service

Meteor package for sending email via Mandrill

Micro-library for validating and obfuscating email addresses

Telephony will be a xplat library that provides email, sms, voice and video call functionality. Supports Xamarin.iOS, Xamarin.Android, Windows Phone 8/8.1 (Silverlight and WPA)

Simplify receiving email.

Add unsubscribe functionality to the default Email meteor package

A GO library for the creation of email messages.

an email application creating collections of links, content, and attachments shareable via email

Email builder core

Evolved email development workflow based on Zurb Ink

An email test application to act as an SMTP server and store caught messages

Where is the best place for this discussion: chat, forum, or email?

Email helpdesk built using Ruby on Rails and Zurb Foundation

Incoming! helps you receive email in your Rack apps.

Simple, powerful email tracking for Rails

Applescript for moving email to DEVONThink Pro Office

Emcoda simply helps protect email addresses by converting them into encrypted JavaScript code, hiding them from email-harvesting robots, while revealing them to real people.

Blackhole is an MTA written on top of asyncio, utilising async and await statements.