Retroshare

Product: Retroshare
Publisher: Retroshare
Website: http://retroshare.sourceforge.net
Type: Open Source
Requirements: Windows XP/Vista/7

RetroShare is an open-source cross-platform, private, and secure decentralized communication platform. It lets you securely chat and share files with your friends and family, using a web-of-trust to authenticate peers and OpenSSL to encrypt all communication. RetroShare provides file-sharing, chat, messages, forums and channels.