Kolab Community Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite. Free Open Source Linux Web Self-Hosted CalDAV CardDAV Real time collaboration Support for WebDAV Add a feature 34 Like
Zimbra Collaboration Suite Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra... Freemium Linux Web ActiveSync Real time collaboration Add a feature 27 Like
OX Open-Xchange Open-Xchange Server 6 is the most advanced Linux based Groupware solution f. Open-Xchange Server 6 is superior in the following areas: • Open-Xchange Server 6 offers... Free Open Source Linux Web Real time collaboration Support for WebDAV Add a feature 10 Like
Microsoft Exchange Server Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is... Commercial Windows Web Real time collaboration Add a feature 15 Like
hMail Server hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the... Free Open Source Windows POP3 Support Add a feature 19 Like
Zarafa Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and... Commercial Mac OS X Windows Linux Web Real time collaboration Add a feature 13 Like
MDaemon Messaging Server Low cost, easy to use Email Server software for virtual, on-premise, or hosted deployments for companies that want control of their email. Integrated web-mail with doc... Commercial Windows Dropbox integration Encrypted email Group chat Support for IMAP ... Outlook integration Add a feature 14 Like
Atmail Email Server Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows. Features: Webmail Calendar Addressbook ... Commercial Linux Web File-sync Group Mail Add a feature 7 Like
iMail Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited... Free Windows Self-Hosted No features added Add a feature 2 Like
eGroupWare Egroupware is a web based software for team collaboration, central data management and CRM: email client, online calendar, contact and task management, project and file... Free Open Source Linux Web No features added Add a feature 7 Like
Expanding Communication Turnkey Solutions for the Enterprise Cloud Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file... Commercial Linux CalDAV Add a feature 5 Like
SophiMail SophiMail is a fully-featured email and collaboration server solving the most critical email issues: maximizes Privacy, Portability and Cost efficiency, Admin & User... Free BSD VirtualBox Self-Hosted VMware vSphere Hypervisor Daily Backup Indexed search CalDAV CardDAV ... Data portability Privacy focused Private messaging Schedule Backup Security focused Selective folder sharing Shared folders Team Collaboration Two factor authentication Unlimited users Add a feature 6 Like
Xeams Xeams is a secure and powerful mail server for that includes a powerful spam filtering engine that eliminates up to 99% of junk email right out of the box. The software... Free Personal $ $ $ Mac Windows Linux BSD No features added Add a feature 1 Like
Netrepid Hosted Exchange Services Hosted Exchange solutions from Netrepid - the best hosted exchange provider. Accelerate your technology at on demand speed. Commercial Web No features added Add a feature 1 Like
SmarterMail Mail Server SmarterMail delivers Exchange-level email server software features for a fraction of the cost. With lower hardware requirements, superior stability and reduced... Freemium Windows No features added Add a feature 2 Like
