BuddyPress is completely free and open source. Unlike hosted services, BuddyPress allows you to stay in control of your site and create a totally customized, unique experience.
A people that values its privileges above its principles soon loses both. (Dwight D. Eisenhower , Inaugural Address, January 20, 1953)
Everybody pities the weak; jealousy you have to earn. (Arnold Schwarzenegger)