RetroShare is a free P2P networking utility which lets you create a network between your friends, colleagues or even family members. On this network, you can share files and communicate with your friends anonymously. You can chat between your friends or you can send them messages. Built on GPG platform, RetroShare allows you to create a friend-to-friend network, that allows you to chat, email, or share your files. You can create your own network and impress your friends by adding them to your network.
Via Frédéric DEBAILLEUL