Apps like Zimbra: Email Collaboration Pr

Here are some great alternatives to Zimbra: Email Collaboration Pr by Synacor, Inc. :
Vitelglobal
Vitelglobal
★4.2
Zoho WorkDrive
Zoho WorkDrive
★3.4
AWS Wickr
AWS Wickr
★4.0
Fuze Mobile
Fuze Mobile
★3.9
Nextcloud Talk
Nextcloud Talk
★4.1
EZRentOut
EZRentOut
★3.7
Blix - Blue Mail Teams
Blix - Blue Mail Teams
★4.1
mail.com Cloud
mail.com Cloud
★4.5
Troop Messenger
Troop Messenger
★3.5
JANDI - Collaboration at Work
JANDI - Collaboration at Work
★4.4
CareSmartz360 Agency App
CareSmartz360 Agency App
★3.3
EZCast Pro
EZCast Pro
★3.3
Egnyte
Egnyte
★4.4
Samsung Email
Samsung Email
★4.4
SkySystemz | Payments Anywhere
SkySystemz | Payments Anywhere
★3.6
My Cloud OS 5
My Cloud OS 5
★4.6