Postaci (Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode to fetch messages it uses database fields to simulate IMAP folders, on which you can save, move, delete, and read e-mail. It also contains an adressbook, a notebook, and a bookmark manager application.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative we ...
NaSMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP proto ...
Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts ...
Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to ...
SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP ...
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows. Fea ...
Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgr ...
Open-Xchange Server 6 is the most advanced Linux based Groupware solution f. Open-Xchange Server 6 is superior in the followin ...
Cypht is an Open Source webmail application written in PHP and JavaScript that speaks native IMAP, POP3, and SMTP. This is a t ...
NOCC is a webmail client written in PHP. It provides webmail access to IMAP and POP3 accounts.
A simple, fast and secure self hosted feed and mail reader, password and bookmark manager.
Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functi ...
Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who ne ...
TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.).
Featu ...
Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is ...