Expanding Communication is described as 'Turnkey Solutions for the Enterprise Cloud' and is a Mail Server in the office & productivity category. There are more than 25 alternatives to Expanding Communication for a variety of platforms, including Web-based, Linux, Windows, Self-Hosted and Mac apps. The best Expanding Communication alternative is Google Workspace. It's not free, so if you're looking for a free alternative, you could try Nextcloud Hub or Infomaniak kSuite. Other great apps like Expanding Communication are Kolab, Zimbra Collaboration Suite, hMail Server and Microsoft Exchange.
Blue Mind is a complete solution of company messaging, calendars and collaborative work. It aims to enable you to work daily with comprehensive, useful, efficient and effective tools.
France
EU
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Bosnia & Herzegovina
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 sharing, Drop Box integration, client and server side encryption.
United Kingdom
Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.
Web-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.
GermanyEU
All-in-one European business email and collaboration platform — email, chat, video conferencing, and office suite in one app. Cloud or self-hosted.
CzechiaEU
Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).
MailEnables mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows.
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Australia
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 outside world are received by Mercury and delivered to the users, who can access it at any later point.
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 mail accounts, storage, attachment size, custom logo. Free for commercial use.
China
New Zealand
