If you want to build secure, private communities, then DiamondTip is the right choice for you.
From the onset, DiamondTip was designed to give entrepreneurs a quick, easy, and totally private means of building any number of communities.
DiamondTip ensures that your communities are private by default--i.e. people have to be invited into the community to create and share content within that community.
You can also make any community publicly available so that the general public can view publications, photos, and scheduled events that you (or one of the community) members have explicitly marked to be publicly available.
Additionally, DiamondTip provides you with a number of community
building tools including Sites, Publications, Photo Gallery, Profiles,