SOGo Alternatives [Page 4]

Business email can be more than just a mailbox. It can be a virtual office where all the team work and online meetings happen. You can create and edit documents there – alone, or in collaboration with your team.

paid $45.0 / Annually (per user)

Experience our best free desktop quality WYSIWYG online word processor and text editor.

free

The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

Visit website paid $19.5 / Monthly (Pro)

A simple and elegant project management system.

paid Free Trial $99.0 / Monthly (flat price)

Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day...

Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server applicatio...

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

The Calendar app is a user interface for Nextcloud's CalDAV server.

Open Source

OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

Blue Mind is a complete solution of company messaging, calendars and collaborative work.

Mailo is an email client where you can send and receive emails to and from anyone with an email address.

Email, calendars, and contacts to highest standards of security, privacy and reliability.

paid Free Trial $3.0 / Monthly (per user)

Self hosted modern mail server

Open Source

hMailServer is a free e-mail server for Microsoft Windows.