Firefox add-on that keeps an eye over your visited URLs and locates peers.
Version: 0.2.7FireShare tracks visited URLs and communicates with a coordination server to locate peers based on commonly visited URLs. Once peer connections are established, peers share visited URLs directly with each other.
Operating System: Mac OS X
The plugin uses a data mining algorithm to determine interesting URLs to suggest to the user. FireShare is an easy way to find new and interesting things similar to the content you are already looking for.
Note: The addon is cross-platform and it works on Mac OS X, Windows and Linux.