ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.
GBWhatsapp - GBWhatsApp is a similar version for WhatsApp Plus have many new features
Proboards - ProBoards is a host of free forums with customer service.
Last seen tracker for WhatsApp - Last seen tracker for WhatsApp app helps you save all your WhatsApp data on the internal storage to view all your recent conversations at a glance.
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android
Whatsdog Last Seen - Whatsdog Last Seen app shows the accurate last online time of all the phone numbers in your contact list to message them right on time and get an instant reply from them.