2
Score: 97%
CommercialChromeWebWindowsMacLinux
More For business (formerly Google apps for business cloud applications Suite G, under Google, the selection of customer products, including user-friendly cover-defined domains. This Features:Commercial,Mac,Windows,Linux,Web,Chrome,OS
Alternatives 4
Score: 93%
FreeOpen SourceLinux
More All the necessary network services zentyal Linux small-and medium-business environment, combined with native Microsoft Active Directory® application: Features:Free,Open,Source,Linux
Alternatives 6
Score: 94%
Open SourceCommercialWeb
More Kolpa day online Now safe, easier, smarter, and above all, the communication of the day, user-friendly, intuitive environment provides a package of applications. Features:Commercial,Open,Source,Web,DAVdroid
Alternatives 8
Kolab Community
Score: 92%
FreeOpen SourceWebLinux
More Simple Groupware is a secure, scalable, reliable, flexible, highly-featured collaboration suite. Features:Free,Open,Source,Linux,Web,Self-Hosted
10
Score: 86%
CommercialWebLinux
More Zimbra Collaboration e-mail, calendar, tasks, and more open, secure collaboration tool. Today, the most innovative web application, Zimbra Features:Commercial,Linux,Web
Alternatives 12
Score: 89%
CommercialWebWindowsMacLinuxAndroid
More Kopano e-mail, video meetings, calendars, and notes in a single interface, the solution is file sharing. Kopano helps and works, except for smart people Features:Commercial,Mac,Windows,Linux,Web,Android
Alternatives 14
Score: 84%
FreeOpen SourceWebLinux
More The focus on scalability and open standards SOGo is a Groupware server. SOGo provides a web interface and supports multiple local clients Ajaxsend rich Features:Free,Open,Source,Linux,Web,Thunderbird,Cloudron
Alternatives 16
Score: 91%
FreeOpen SourceWindows
More HMailServer free email server for Microsoft Windows. All of these internet service providers, companies, governments, schools and enthusiasts Features:Free,Open,Source,Windows
Alternatives 18
Mailcow: dockerized
Score: 88%
FreeOpen SourceLinux
More Mailcow Dovecot, Postfix, SOGo, open source software provides a modern web UI for the management and other rspamd-based E-mail server suite. Features:Free,Open,Source,Linux
20
Score: 92%
FreeOpen SourceLinux
More (GPL) v2 " full-fledged, free email server solution, an open-source project. The i386 and x86_64, Linux/BSD distributions use the official binary packages Features:Free,Open,Source,Linux,BSD,Self-Hosted
Alternatives 22
MDaemon Messaging Server
Score: 81%
CommercialWindows
More Low-cost virtual check e-mail for companies or hosted deployments for companies that want to use e-mail server software is easy. Webmail is integrated with the physician Features:Commercial,Windows
24
Score: 81%
CommercialWebWindowsMacLinux
More Open-source collaboration, existing Linux mail server, native mobile phone support, allows integration with the Outlook "Look & feel as the web-access" Features:Commercial,Mac,Windows,Linux,Web
Alternatives 26
Score: 62%
CommercialWindowsMacLinux
More Axigen can integrate offers a multi-tenant, multi, allinone, e-mail, calendar, messaging, and collaboration solutions. The brand offers a wide Features:Commercial,Mac,Windows,Linux,BSD,Self-Hosted
Alternatives 28
Score: 53%
CommercialWebWindowsMacLinux
More Kerio connect-e-mail, calendar, contacts and task management easy and affordable. Also a connection to communicate with immediate, secure access Features:Commercial,Mac,Windows,Linux,Web
Alternatives 30
Score: 73%
Commercial
More Sophias business-critical e-mail for the solution of problems is a fully-featured e-mail and collaboration server is to: maximize your privacy, portability, and cost efficiency, admin & user Features:Commercial,BSD,VirtualBox,Self-Hosted,VMware,vSphere,Hypervisor
Alternatives Microsoft Exchange Server alternatives FAQ
What is the best Microsoft Exchange Server alternative?
G Suite is currently the top-ranked option on this list based on community votes and item score.
Are there free Microsoft Exchange Server alternatives?
Yes. Free, freemium, or open-source options in this list include Zentyal, Kolab Now, Kolab Community, SOGo, hMail Server.
Which platforms are covered?
The alternatives in this list include options for Linux, Web, Windows, Mac, Android +1, depending on each product.
How are alternatives ranked?
Alternatives are ordered by community voting signals, item score, and the available product details collected for each option.
