GNUnet is a mesh routing layer for end-to-end encrypted networking and a framework for distributed applications designed to replace the old insecure Internet protocol stack. In other words, GNUnet provides a strong foundation of free software for a global, distributed network that provides security and privacy. Along with an application …

Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more …

Internet Relay Chat Protocol (IRCP) is an application layer protocol that facilitates communication in the form of text. The chat process works on a client/server networking model. IRC clients are computer programs that a user can install on their system. These clients communicate with chat servers to transfer messages …