Tipflare. Livestar.
Media Recommendation Engines. Sociable Labs. Woofound. Personalized Shopping Experience. Triposo - know where to go. Trapit. Open Source Recommendation Engines. Untangle The Web. Explore more. Web pages, photos, and videos.
Snackr. A Mac Application that streams Facebook, Twitter, and RSS to your Desktop. Hunch. Art.sy.