Factr

Factr is a new kind of social network, built for organizing and sharing your knowledge. Factr is a feature-rich freemium platform, combining content creation, bookmarking, feed aggregation, file storage, and social networking. It's a powerful tool for individuals, teams, organizations, and interest groups. Factr differs from other social networks in that it doesn't sell your eyeballs, steal your data, suck your time. Instead it helps you take control, filter out the noise, organize your information, and connect with your collaborators. Factr helps you efficiently use your time, your expertise, your network, and keep your focus on what matters.