OneRiot.com is another real-time search engine. OneRiot crawls across Twitter, Digg, blogs and comments along with other social posts to give you the freshest and most socially relevant news possible.

 Ustream.tv is the live interactive video broadcast platform that enables anyone with a camera and an Internet connection to quickly and easily broadcast to a global audience of unlimited size. In less than two minutes, anyone can become a broadcaster by creating their own channel on Ustream or by broadcasting through their own site, empowering them to engage with their audience and further build their brand.

Twitturly.com tracks the URLs flying around the Twitterverse and provides a quick, real-time view of what people are talking about on Twitter. Each time someone tweets a URL to their followers on Twitter, Twitturly takes note of it and applies it as a vote for that URL. There is a voting system that ranks topics into a Top 100 shown on the main page giving you a glimpse at the most popular items out there.