libkf5akonadiserver-dev - 4:18.08.3-7~deb10u1 main

Akonadi is an extensible cross-desktop Personal Information Management (PIM)
storage service. It provides a common framework for applications to store and
access mail, calendars, addressbooks, and other PIM data.
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This package contains development files for building software that uses the
Akonadi PIM storage service.