Open source email service with a strong focus on security and privacy
Take back control of your email with this mail server in a box
Lightweight Open Source webmail written in PHP and JavaScript
NaSMail is a standards-based webmail package written in PHP
Email Notifier For Windows
Simple, modern & fast web-based email client
Free and open source webmail software
CheckeredFlag is a super simple mail server.
Business webmail modular application with mobile client
Webmail made easy!