Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Frysbe - Frysbe: Make global friends at random and the fling app comes up with features to send messages to strangers from every corner of the world to expand your social circle.
Bigtent - BigTent is a web-based organization and communication portal for groups.
Yochat - Yochat app enables users to get to know about strangers from a large number of countries from around the world by video chatting with them.
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.
PenPal World - Connect with people all over the world