Install kdepim by entering the following commands in the terminal:
sudo apt update sudo apt install kdepim
Description:
Personal Information Management apps from the official KDE release
KDE (the K Desktop Environment) is a powerful Open Source graphical desktop environment for Unix workstations. It combines ease of use, contemporary functionality, and outstanding graphical design with the technological superiority of the Unix operating system. . This metapackage includes a collection of Personal Information Management (PIM) desktop applications provided with the official release of KDE.
Homepage: http://www.kde.org
Version: 4:17.08.3+5.100ubuntu2
Section: universe/metapackages