OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols. Exchange is a groupware server designed to work with Microsoft Outlook, and providing features such as a messaging server, shared calendars, contact databases, public folders, notes and tasks. OpenChange server doesn't need any plugin installation in Outlook.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative we ...
At the core of IceWarp's messaging platform is a scalable and robust SMTP/IMAP/POP3 server capable of handling 1000's of messa ...
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsof ...
hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, sch ...
Axigen is a premium, all-in-one email, calendaring and collaboration platform, based on an innovative, proprietary technology, ...
The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine ...
Office 365 is a subscription-based software services that licenses Microsoft Office products for on-premise or cloud-based use ...
MDaemon Messaging Server software for Windows can be deployed in virtual, hosted cloud or private on-premise environments. It ...
iMail - Business and School Ultimate Free Mail Solution Web-client access, LAN or WAN self-hosted server, maintenance-free des ...
Sanwhole Exchange is a server running iMail, iPress and iStore services.
iMail is an enterprise-class email server does Micros ...
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD dist ...
SophiMail is a fully-featured email and collaboration server, ideal for private hosting: on cloud, on premises or hybrid.
Solv ...
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Lo ...
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface. Kopano helps you wor ...
Zoho is an all-in-one online office suite. Zoho geares itself towards businesses, increasing your productivity and offering e ...