The Free / Libre / Open Source Web App with the most built-in features
PHP & MySQL based CMS with messenger
React-powered Hacker News client
The best CMS system
Nash Operating System for Modern Ecommerce
Gnew is a simple Content Management System (CMS)
Open Source Social Network Kit written in PHP
Download files from frequently-updated FTP sites
Social Networking PHP Script
phpBB Social Network MOD
Joomla! Social Network Extension
Drupal Social Network mod
SociaWap is a HTML5 wapsite for modern and predated smartphones