Linux Softwares to Peer-to-Peer Networking

Freelan is a free and open-source, highly configurable, multi-platform peer-to-peer VPN software. It allows users to create virtual private networks connecting computers from anywhere, enabling secure and encrypted communication and resource sharing as if they were on the same local network.

Cjdns is a peer-to-peer encrypted network protocol designed for easy setup, smooth scalability, and ubiquitous security. It aims to build a decentralized, distributed, and secure internet alternative.

GNUnet is a free and open-source framework for building secure, distributed, and privacy-preserving peer-to-peer applications. It goes beyond simple file sharing, offering a foundation for various decentralized services designed to resist surveillance and censorship.

IPFS is a peer-to-peer hypermedia protocol designed to make the web faster, safer, and more open. It allows for storage and access to files across a distributed network, rather than relying on centralized servers.