Retroshare - A decentralized, Anonymized Messaging, File Transfer Client

Retroshare is an open-source, cross platform decentralized chat, messaging, and file transfer client. If any of you are familiar with IRC it is some of the features of the chatroom. If you are used to instant messengers it has those. A forums feature which is similar to usenet. Finally a anonymous file search and transfer capability. 

What makes this different than anything else out there, is that it is encrypted. It uses friend to friend method to share PGP keys so that you can create a web of trust between your friends. Links between the application and the rest of the web of trust uses SSL. Also since it is also decentralized then you don't have to worry about a server going down and not being able to connect with friends. Some of the core features:

• Serverless, completely decentralised
• Multiple simultaneous downloads / uploads
• Search Friends
• Messages
• Forums
• Channels
• Voice over IP
• Instant messaging
• Groupchat
• GnuPG Authentication
• OpenSSL Encryption
• adding downloads via website links
• Plugins support
• UPnP / NAT-PMP port forwarding support
• Graphical User Interface written with Qt4 toolkit
• System tray integration

 If you are interested in Retroshare visit: http://retroshare.sourceforge.net/  for more information and to get a jump start you can join the automated chatroom. https://www.f2f-fr.net/w2c/en/

If you need some more help please post a comment below and I can assist you. One thing to keep in mind you have to share your full keys with each other.