Zimbra Collaboration Suite is described as 'Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors' and is a Mail Server in the office & productivity category. There are more than 50 alternatives to Zimbra Collaboration Suite for a variety of platforms, including Web-based, Linux, Self-Hosted, Windows and Mac apps. The best Zimbra Collaboration Suite alternative is Microsoft 365 Copilot, which is free. Other great apps like Zimbra Collaboration Suite are Google Workspace, Roundcube, mailcow: dockerized and Nextcloud Hub.
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.
Switzerland
grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
Germany
EU
Email, calendar, drive, docs, chat and video meetings under one login, hosted in the EU by an independent European company.
NetherlandsEU
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.
NetherlandsEU
Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).
ItalyEU
All-in-one European business email and collaboration platform — email, chat, video conferencing, and office suite in one app. Cloud or self-hosted.
CzechiaEU
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.
FranceEU
NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.
Pakistan
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.
Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.
Works on both no.
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Bosnia & Herzegovina
Afterlogic Aurora is an enterprise collaboration system for small and medium-sized business. Aurora provides collaboration of webmail, contacts, calendar, files and helpdesk modules.
United States
