108 Like G Suite Good alternative? YES NO G Suite (formerly Google Apps for Work) is Google's encompassing selection of cloud apps for business, including customizable products under custom domain names. It... Commercial Mac Windows Linux Web Chrome OS Team collaboration Add a feature
38 Like Kolab Now Good alternative? YES NO Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure. Commercial Web DAVdroid CalDAV CardDAV Real time collaboration Add a feature
24 Like Zimbra Collaboration Suite Alternative? YES NO 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 Real time collaboration Add a feature
11 Like Microsoft Office 365 Good alternative? YES NO Office 365 is a subscription-based software services that licenses Microsoft Office products for on-premise or cloud-based use. For consumers, the service allows the... Commercial Web IFTTT integration Real time collaboration Add a feature
15 Like Microsoft Exchange Server Alternative? YES NO 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
23 Like Kopano Good alternative? YES NO Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface. Kopano helps you work smarter with people within and outside... Commercial Mac Windows Linux Web Android iPhone Android Tablet Windows Phone ... iPad Microsoft Office Outlook CalDAV On-premises software POP3 Support Real time collaboration Shared calendars Add a feature
5 Like SophiMail Good alternative? YES NO 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 KVM (Kernel-based Virtual Machine) HyperVM Citrix XenServer VMware vSphere Hypervisor FreeBSD ... Microsoft Hyper-V Server Daily Backup Indexed search CalDAV CardDAV Privacy focused Private messaging ... Schedule Backup Security focused Selective folder sharing Shared folders Team collaboration Two factor authentication Unlimited users Add a feature
18 Like hMail Server Good alternative? YES NO 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
3 Like IceWarp Good alternative? YES NO IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to... Commercial Windows Linux Web File-sync Group chat Integrated File Sharing Outlook integration Real time collaboration Shared calendars Add a feature
3 Like OBM Good alternative? YES NO OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices. Free Open Source Mac Windows Linux CalDAV Real time collaboration Add a feature
3 Like Mercury Mail Transport System Alternative? YES NO The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine or local area network. Messages from the... Free Personal Windows No features added Add a feature
7 Like eGroupWare Good alternative? YES NO 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
1 Like atmail Good alternative? YES NO Atmail allows you to choose between on-premises or cloud deployment. Features include email, contact, calendar, task, storage, synchronisation and provisioning. ... Commercial Mac Windows Linux Android iPhone Android Tablet iPad On-premises software Add a feature
1 Like Netrepid Hosted Exchange Services YES NO 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 iMail Good alternative? YES NO 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
