RetroShare is open source software for encrypted filesharing, serverless email, instant messaging, online chat, and BBS, based on a friend-to-friend network built on GNU Privacy Guard (GPG). Developed by DrBob
License: Open Source
Demonsaw focuses on providing strong privacy and security features with a user-friendly interface, making it accessible for beginners. In contrast, RetroShare offers a more complex but highly customizable platform for secure communications and file sharing, ideal for users seeking extensive control over their network.