Kopano is described as 'Puts an email, video meetings, calendaring, and file sharing solution within one single interface' and is a Mail Server in the office & productivity category. There are more than 10 alternatives to Kopano for a variety of platforms, including Web-based, Windows, Linux, Self-Hosted and Mac apps. The best Kopano alternative is Google Workspace. It's not free, so if you're looking for a free alternative, you could try Nextcloud Hub or Mailo. Other great apps like Kopano are Infomaniak kSuite, Kolab, Zimbra Collaboration Suite and Microsoft Exchange.
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
Kerio Connect makes email, calendars, contacts and task management easy and affordable. With Kerio Connect, you have immediate, secure access to your communications anytime, anywhere, on any device - without complexity or expensive overhead.
United States
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.
Germany
EU
All-in-one European business email and collaboration platform — email, chat, video conferencing, and office suite in one app. Cloud or self-hosted.
CzechiaEU
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.
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Australia
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
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.
China
MailShogun is a plugin that creates domain emails easily. You can pick between your professional and regular e-mail address when sending or receiving from your regular g-mail account. One of the cheapest mail forwarding services you can find on the web.
The AI-powered client portal for professional & creative services. Streamline client onboarding and deliver a stellar customer experience.
South Korea
New Zealand
