AfterLogic WebMail Lite PHP is a free AJAX webmail application. Users can receive, view, manage, compose, and send email through web interface (IMAP and SMTP supported). Source code included.
Simple, modern & fast web-based email client
Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.
Business webmail modular application with mobile client
The most complete Business Webmail with Mobile client application for companies of all sizes. All the core functions for business like calendaring and integrated webmail, plus the capability of converting emails into business objects such as: quotes, invoices, marketing stuff, customer requests, project management and more. A simple way to have a unique flow of information from email request from customers to invoices! You only have to choose which modules you want to activate and is done! Built with PHP, loves MySQL but runs also on SQL Server and Oracle.
An English/ Chinese Multi-language mail client for QQ Mail. Uses m98.mail.qq.com for English and mail.qq.com for Chinese Made in Visual Basic 2008. Only version 184.108.40.206 has multilingual compatibility. THIS PROJECT IS NOT BEING DEVELOPED ANYMORE!
Webmail made easy!
conjoon is a webmail client with personal information management ambitions. It runs completely in a web browser and features a broad range of functionality known from desktop applications; it provides functionality for organizing RSS feeds, Twitter and Email accounts. It comes with an installation wizard that helps with installing and updating the application. Built using Zend Framework and Ext JS, it focuses on easy system integration and usability on the client side. See the User Guide at http://conjoon.org/wiki for more information!
Zarafa is a complete replacement for MS Exchange under Linux. Zarafa has a full featured AJAX based webaccess which is completely in the Outlook "Look & Feel".
Imail is a open source developing Email App, Currently in the pre-alpha stage. Imail V1.0 Coming very soon.