Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.
PaKnPosT presents an alternative to email for sharing large files. It uses HTTP via Webbrowser to convey files, and text email to notify file recipients, with file type restriction, virus scanning, encryption, password protection and anti-spam measures
Roundcube Webmail is a browser-based, multilingual IMAP client with an application-like user interface. Roundcube provides the full functionality you'd expect from an email client, including MIME support, address book, folder manipulation, message searching, and spell check. Roundcube is written in PHP and JavaScript.
conjoon is a webmail client with personal information management ambitions. It runs completely in a webbrowser 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. ...
...It allows to share files, mails, calendar, communicate through forum or instant messaging, wiki...
Based on the famous PHProjekt, it uses PHP and MySQL and is accessed through a web-browser.
Public Computing Services strives to provide essential information management to families that can't afford commercial software. Browser-based applications help users manage health, communications, education, legal, financial, home and employment data.
A very light weight, full featured, multi language, WYSIWYG HTML Editor in Browser written in Java Script, DHTML, PHP, and ASP. Designed to be used wherever a Rich Text is needed.