Sync contacts between Microsoft Exchange Global Address List (GAL) and countless other apps

The Microsoft Exchange Global Address List (GAL) is a global address list of all end users and their email addresses within an organization that uses Microsoft Exchange Server and Microsoft Outlook for email. The global address list allows both administrators and users to find and send messages to email addresses of colleagues and co-workers. In addition, users and administrators can use GAL to create and edit distribution lists.
App is planned.

Sync contacts between Microsoft Exchange Global Address List (GAL) and other apps like:

AGFEO
AGFEOtel
Android
Apple iCloud
Apple iOS
Apple iPhone
Apple macOS
Apple OSX
Asterisk
AVM FRITZ!Box
CardDAV
corpoTel
DATEV
Deutsche Telefon Tk-Anlage CentrexX
Directory for Google Workspace, Cloud Identity and Essentials
DocBee
Gigaset
Google Contacts
Google GMail
Google Nexus
Google Pixel
GSuite
HubSpot
INOPLA
LDAP
Microsoft 365
Microsoft 365 Shared Mailbox
Microsoft Active Directory
Microsoft Dynamics 365
Microsoft Exchange
Microsoft Exchange Global Address List (GAL)
Microsoft Exchange Web Services (EWS)
Microsoft Graph API
Microsoft Office 365
Microsoft Outlook
Microsoft SQL Server
Microsoft Teams
MyCRM
MySQL
NFON
o2 digital phone
Pascom
Pipedrive
Placetel
salesforce
Sipgate
snom
STARFACE
SugarCRM
UCware
Unify
weclapp
XELION
Yealink
Zendesk
Zoho