Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending....
:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!
The classic email sending library for PHP
😱 Falsehoods Programmers Believe in
✉️ Send e-mails with Node.JS – easy as cake!
MJML: the only framework that makes responsive-email easy
A set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more....
A free simple responsive HTML email template
Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box....
PHP Email address validator
:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
Comprehensive mailing tools for PHP
A free & open modern, fast email client with user-friendly encryption and privacy features
Reduce misspelled email addresses in your web apps.
Quickly create responsive HTML emails that work on any device and client. Even Outlook.
Email Blueprints is a collection of HTML email templates that can serve as a solid foundation and starting point for the design of emails...
Responsive transactional HTML email templates
Free and Open Source messaging and emailing app that combines common web applications into one.
CssToInlineStyles is a class that enables you to convert HTML-pages/files into HTML-pages/files with inline styles. This is very usefull when you're sending emails...
K-9 Mail – Open Source Email App for Android
🕵️♂️ Investigate Google emails and documents.
HEML is an open source markup language for building responsive email.
A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail....
An open source email campaign management tool for nonprofits
The email boilerplate for sending out nicely formatted messages.
A cross-platform .NET library for IMAP, POP3, and SMTP.
Tutanota is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices....
Beautiful responsive email templates with code as beautiful as email templates can be
Simple, modern & fast web-based email client
The best way to send emails in Go.
Rails authentication with email & password.