“Hubdub brings you up-to-the-minute forecasts on running news stories and lets you play at predicting the news yourself.”

“Slicethepie enables artists to raise money directly from their fans to professionally record and release an album.”
– Sounds very similar to Sellaband.

“The social decision-making tool to help research and make decisions online!”
– Let’s you compare lots of search results with others.

“Silobreaker is an online search service for news and current events that delivers meaning and relevance beyond traditional search and aggregation engines. Its relational analysis and explanatory graphics provide users with unparalleled contextual insight

eBay for renting. Only running in France and the US at the moment.