An open-source cross-platform alternative to AirDrop
Telegram Desktop messaging app
A free and reliable P2P BitTorrent client
You can message and share files inside your intranet without a server.
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Development toolkit for Web Services and XML data bindings for C & C++
Privacy focused messenger that doesn't trust anyone with your identity
Reliable & unreliable messages over UDP
Peer-to-peer, decentralized and open-source file sync
A simple program to modify text
A free utility to recover the passwords of wireless networks
Plain-text file notepad with markdown support and ownCloud integration
Network file transfer application for Windows, OS X, & Linux
Network steganography / covert channels evaluation tool
A project for open source time travel with computers.
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
Encrypting E-Mail Client
Remote control your linux console encrypted trough Jabber chat service
p2p (sockets) chat with inKey encryption (32768 bit).
Transfers files/folders P2P over LAN or Internet
Chat application with asymmetric encryption
An IRC proxy to add chat encryption to IRC clients