Laravel Enso Contacts is a flexible contact persons add-on that allows you to add contact persons for various entities so users have an easier time of reaching out when they need to get in touch with partners or clients
Contacts is an extension to handle contacts (e.g. companies, persons, addresses) and add relations to each other.
Rinvex Contacts is a polymorphic Laravel package, for contact management system. You can add contacts to any eloquent model with ease.
PHP library for the Google Contacts API (v3)
HubSpot PHP API Client Wrapper for Laravel
OpenSync is a Open Source CalDAV/CardDAV (Contacts and Calendars) Sync for Android
Access the Xero accounting system using an Eloquent-like syntax
Simple address and contact management for Laravel 5.
Constant Contact PHP SDK for v2 API