Windows eml and mbox viewer.
A faster, leaner email client and fork of Nylas Mail
Open source email service with a strong focus on security and privacy
Lightweight Open Source webmail written in PHP and JavaScript
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
IGSuite is a web-ajax-based Integrated Groupware Suite
Add keyboard shortcuts to switch between different thread views
NaSMail is a standards-based webmail package written in PHP
Allow to redirect (a.k.a. "remail") mail messages to other recipients
an easy to use pop3 client library in C
Simple, modern & fast web-based email client
Wrappers around msmtp for use as queueing MTA with extra features
Jnestor is another majordomo in java