Apps like CiraSync On-Prem PF

Here are some great alternatives to CiraSync On-Prem PF by Cira Apps Limited :
Sync2 Outlook Google Companion
Sync2 Outlook Google Companion
★4.1
Cigna Mail
Cigna Mail
★4.7
OfficeMail Pro
OfficeMail Pro
★3.5
App for Gmail SMS etc：CosmoSia
App for Gmail SMS etc：CosmoSia
★4.2
BlackBerry Hub+ Contacts
BlackBerry Hub+ Contacts
★3.4
Email Blue Mail - Calendar
Email Blue Mail - Calendar
★4.3
Email Aqua Mail - Fast, Secure
Email Aqua Mail - Fast, Secure
★4.4
eM Client - Secure Email App
eM Client - Secure Email App
★3.3
Tasks & Notes
Tasks & Notes
★4.0
Samsung Email
Samsung Email
★4.4
Appyhigh Mail: All Email App
Appyhigh Mail: All Email App
★4.4
Email - All Mailboxes
Email - All Mailboxes
★4.1
SYNCING.NET
SYNCING.NET
★3.4
Nine - Email & Calendar
Nine - Email & Calendar
★3.4
BlackBerry Hub+ Inbox
BlackBerry Hub+ Inbox
★3.4
FairEmail, privacy aware email
FairEmail, privacy aware email
★4.9