Promising anonymizing network

I2P [1] is an initiative to provide a fully distributed and self organizing anonymous P2P network. I2P is designed to allow peers using I2P to communicate with each other anonymously — both sender and recipient are unidentifiable to each other as well as to third parties. It allows for anonymous web hosting within I2P and anonymous proxy access to sites outside I2P. It also supports BitTorrent file sharing. This is a complex product so I suggest you start with the noob’s guide [2]. Also of interest is the web page [3] comparing various anonymizing systems such as Tor and Jap.
[1] http://www.i2p.net/
[2] http://forum.i2p.net/viewtopic.php?t=385
[3] http://www.i2p.net/how_networkcomparisons

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1. Fast free anonymizing service
2. Good network installation guide
3. Promising New Free Firewall!
4. Spyware-free file sharing
5. More ways to speed up your BitTorrent downloads