RetroShare is an open-source, cross-platform and free software released under the GNU General Public License, it is a decentralized, private and secure commmunication and sharing platform. RetroShare provides filesharing, chat, messages, forums and channels. You can securely communicate with your friends, it lets you to securely chat and share files with your circles, using a web-of-trust to authenticate peers and OpenSSL to encrypt all communication. RetroShare provides filesharing, chat, messages, forums and channels. Retroshare claims on their homepage that "Nobody can spy on you."
