OpenBitTorrent is a bittorrent tracker free for anyone to use. You don't need to register, upload or index a torrent anywhere, all you have to do is to include the OpenBitTorrent tracker URL in your torrent.
BitBlinder aims to preserve your privacy and keep your IP address safe from them. It also allows you to avoid most restrictions and filters on you Internet access. BitBlinder supports both BitTorrent and normal web traffic, with more applications coming soon.
Send files direct to other users (P2P) using your browser High Speed Privacy Your files are sent the shortest way - direct between you and the recipient. There are no intermediate servers slowing down the process.
Tahoe is a secure, decentralized, fault-tolerant filesystem. This filesystem is encrypted and spread over multiple peers in such a way that it remains available even when some of the peers are unavailable, malfunctioning, or malicious.