Zimbra Alternatives [Page 2]

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

freemium $1.0 / Monthly (per user)

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)

Secure email with absolutely no compromises. Get your free encrypted email account today.

freemium €5.0 / Monthly (user - 5 GB)

SOGo is groupware server with a focus on scalability and open standards.

Open Source

RainLoop is a web based email client.

Open Source

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

Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

freemium

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

FOSS Private Digital Workplace Email and Collaboration Platform

Open Source free

Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

The Power Email App for busy professionals, like you.