Your own workspace. A self-hosted, open source alternative to Google Workspace: mail, drive, docs, sheets, slides, calendar and chat.
Platforms
- Self-Hosted
- Docker
Netherlands
EU
+9
Open Source Microsoft Exchange AlternativesMail Servers and other similar apps like Microsoft Exchange
The best open source alternative to Microsoft Exchange is eigen. If that doesn't suit you, our users have ranked more than 25 alternatives to Microsoft Exchange and 17 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Exchange are mailcow: dockerized, Kolab, Zentyal and Kolab Now.
Alternatives list
- 54 eigen alternatives
27 mailcow: dockerized alternativesmailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.
Platforms
- Linux
- Self-Hosted
Germany- EU
+3
Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.
Platforms
- Linux
- Online
- Self-Hosted
Integrates native Active Directory and all essential network services, including domain, mail, gateway, infrastructure, and security roles, for SMBs, offering web-based management, centralized authentication, file server, VPN, and firewall in a single Linux platform.
Platforms
- Linux
Spain- EU
+1
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.
Platforms
- Online
- Software as a Service (SaaS)
- DAVx5
Switzerland
64 SOGo alternativesSOGo is groupware server with a focus on scalability and open standards.
SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.
Platforms
- Linux
- Online
- Thunderbird
- Cloudron
Canada
25 hMail Server alternativeshMailServer 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 world.
Platforms
- Windows
grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Self-Hosted
- Germany
- EU
22 OX App Suite alternativesThe OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.
Platforms
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Germany
- EU
+6
Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel platform for the Internet, the Citadel/UX developers added functionality such as shared calendars, instant...
Platforms
- Linux
- Online
C
69 iRedMail alternativesA 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.
Platforms
- Linux
- BSD
- Self-Hosted
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.
Platforms
- Linux
France- EU
