Magnolia 5.4 reached end of life on November 15, 2018. This branch is no longer supported, see End-of-life policy.
The Contacts module installs the Contacts app that allows editors to create an address book of contacts.
<dependency> <groupId>info.magnolia.contacts</groupId> <artifactId>magnolia-contacts</artifactId> <version>1.4.3</version> </dependency>