Zarafa Alternatives [Page 3]

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

freemium $12.5 / Monthly (Per user - Business Class)

A messaging app for teams who see through the Earth!

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

Any Inbox. Any Time.

SmarterMail is a next generation email management server that is offering several business collaboration and communication features as well.

MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.

Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.  Zimbra mail, Yahoo! mail, Gmail, Outlook and any other work or personal email account using POP or IMAP is easy to set up in Zimbra Desktop.

OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and...

The Radicale Project is a complete CalDAV (calendar) and CardDAV (contact) server solution.

Open Source

Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.

Omnichannel CRM for Businesses of all sizes

Visit website freemium $14.0 / Annually ($14 USD/monthly on Annual Subscription.)

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

Samepage facilitates communication, project management, meetings, online collaboration, and more by combining team chat, video calling, screen sharing, task management, and real-time team document collaboration in a single collaborative workspace.

freemium $7.5 / Monthly

Confluence is content collaboration software that changes how modern teams work