PUBLIC MARKS from metropol with tag collaborative

StumbleUpon uses / ratings to form collaborative opinions on website quality. When you stumble, you will only see pages which friends and like–minded stumblers have liked.

Yoono offers you a new experience of the web! Yoono is a free software application you can download which combines for the first time the management and sharing of information. Based on pooling user knowledge, yoono is a collaborative search engine and an innovative communication tool. With yoono, don't search alone, share with those that know...