Feem - Share files offline. No servers. No cloud. No limits.
ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.
Simple Chat - Simple Chat is a simple, opensource and powerful cross-platform client-server chat for local...
Proboards - ProBoards is a host of free forums with customer service.
Winpopup LAN Messenger - Winpopup LAN Messenger is a cost-effective Office, Corporate, Enterprise Instant Messaging solution.
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android