The classic email sending library for PHP
A faster, leaner email client and fork of Nylas Mail
Open Source Email App for Android
Testable, composable, and adapter based Elixir email library
Catches mail and serves it through a dream
PHP Email address validator
Anti-Spam SMTP Proxy Server implements multiple spam filters
Windows eml and mbox viewer.
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Powerful Open Source Email Marketing app with analytics & segmentation
Sync Outlook contacts and calendars with Google
Mail Notifer for Windows
Universal server
EasyMailer: Bulk Email/SMS Sender Using SMTP
Mailing List Manager - Web-based, Self-Hosted, Feature-Rich
The Next Generation Mail Transport Class.
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
C library for sending e-mail (with attachments) from C/C++
eMail is a fork of Interlink for IA-32 i686 with more optimizations.
Simple-to-use/-install issue-tracking system: web, REST, email, CLI