Tor is a network project of tunnels that allows for improvement of privacy and security on the Internet; enabling open source software developers to create new communication utilities.
SILC (Secure Internet Live Conferencing) is an open source protocol which provides secure conferencing services; can be used to send any kind of messages.
The Copper Porject is a web-based PM and CT that allows teams to share information and files more effectively; includes modules for clients, projects, tasks, contacts, etc.
